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1: Urman B, Yakin K. Does dehydroepiandrosterone have any benefit in fertility treatment? Curr Opin Obstet Gynecol. 2012 Feb 9. [Epub ahead of print] PubMed PMID: 22327737.

2: Mercan R, Oktem O, Salar Z, Nuhoglu A, Balaban B, Urman B. Conjoined twins after intracytoplasmic sperm injection and transfer of day-3 embryos. Fertil Steril. 2011 Aug;96(2):e111-4. Epub 2011 Jul 1. PubMed PMID: 21722896.

3: Yakin K, Urman B. DHEA as a miracle drug in the treatment of poor responders;  hype or hope? Hum Reprod. 2011 Aug;26(8):1941-4. Epub 2011 May 18. PubMed PMID: 21593043.

4: Balaban B, Yakin K, Alatas C, Oktem O, Isiklar A, Urman B. Clinical outcome of intracytoplasmic injection of spermatozoa morphologically selected under high magnification: a prospective randomized study. Reprod Biomed Online. 2011 Feb 15. [Epub ahead of print] PubMed PMID: 21324747.

5: Oktem O, Alper E, Balaban B, Palaoglu E, Peker K, Karakaya C, Urman B. Vitrified human ovaries have fewer primordial follicles and produce less antimüllerian hormone than slow-frozen ovaries. Fertil Steril. 2011 Jun 30;95(8):2661-4.e1. Epub 2011 Feb 5. PubMed PMID: 21300348.

6: Ata B, Kucuk M, Seyhan A, Urman B. Effect of high-dose estrogen in luteal phase support on live birth rates after assisted reproduction treatment cycles. J Reprod Med. 2010 Nov-Dec;55(11-12):485-90. PubMed PMID: 21291034.

7: Urman B, Yakin K. New Turkish legislation on assisted reproductive techniques  and centres: a step in the right direction? Reprod Biomed Online. 2010 Dec;21(6):729-31. Epub 2010 Jun 27. PubMed PMID: 21044867.

8: Oktem O, Urman B. Options of fertility preservation in female cancer patients. Obstet Gynecol Surv. 2010 Aug;65(8):531-42. Review. PubMed PMID: 20955632.

9: Oktem O, Urman B. Understanding follicle growth in vivo. Hum Reprod. 2010 Dec;25(12):2944-54. Epub 2010 Oct 11. Review. PubMed PMID: 20937745.

10: Ata B, Urman B. Single dose GnRH agonist administration in the luteal phase of assisted reproduction cycles: is the effect dependent on the type of GnRH analogue used for pituitary suppression? Reprod Biomed Online. 2010 Jan;20(1):165-6; author reply 167. Epub 2009 Nov 10. PubMed PMID: 20159003.

11: Kucuk M, Doymaz F, Urman B. Effect of energy expenditure and physical activity on the outcomes of assisted reproduction treatment. Reprod Biomed Online. 2010 Feb;20(2):274-9. Epub 2009 Dec 3. PubMed PMID: 20113966.

12: Ata B, Urman B. ART register data on delivery rates. Hum Reprod. 2010 Mar;25(3):805-6; author reply 806-7. Epub 2009 Dec 4. PubMed PMID: 19965876.

13: Kucuk M, Doymaz F, Urman B. Assessment of the physical activity behavior and  beliefs of infertile women during assisted reproductive technology treatment. Int J Gynaecol Obstet. 2010 Feb;108(2):132-4. Epub 2009 Nov 7. PubMed PMID: 19897191.

14: Ata B, Seyhan A, Orhaner S, Urman B. High dose cabergoline in management of ovarian hyperstimulation syndrome. Fertil Steril. 2009 Sep;92(3):1168.e1-4. Epub  2009 Jun 21. PubMed PMID: 19539908.

15: Ebner T, Balaban B, Moser M, Shebl O, Urman B, Ata B, Tews G. Automatic user-independent zona pellucida imaging at the oocyte stage allows for the prediction of preimplantation development. Fertil Steril. 2010 Aug;94(3):913-20. Epub 2009 May 12. PubMed PMID: 19439291.

16: Urman B, Ata B, Yakin K, Alatas C, Aksoy S, Mercan R, Balaban B. Luteal phase empirical low molecular weight heparin administration in patients with failed ICSI embryo transfer cycles: a randomized open-labeled pilot trial. Hum Reprod. 2009 Jul;24(7):1640-7. Epub 2009 Apr 8. PubMed PMID: 19357135.

17: Oktem O, Urman B. Xenografting fresh and cryopreserved human ovarian tissue.  Fertil Steril. 2009 May;91(5):e7-8; author reply e9. Epub 2009 Apr 1. PubMed PMID: 19342019.

18: Ata B, Yakin K, Balaban B, Urman B. Embryo implantation rates in natural and  stimulated assisted reproduction treatment cycles in poor responders. Reprod Biomed Online. 2008 Aug;17(2):207-12. PubMed PMID: 18681994.

19: Yakin K, Ata B, Ercelen N, Balaban B, Urman B. The effect of preimplantation genetic screening on the probability of live birth in young women with recurrent implantation failure; a nonrandomized parallel group trial. Eur J Obstet Gynecol Reprod Biol. 2008 Oct;140(2):224-9. Epub 2008 Jul 7. PubMed PMID: 18603347.

20: Yakin K, Urman B. What next for preimplantation genetic screening? A clinician's perspective. Hum Reprod. 2008 Aug;23(8):1686-90. Epub 2008 Jun 24. PubMed PMID: 18579511.

21: Balaban B, Urman B, Ata B, Isiklar A, Larman MG, Hamilton R, Gardner DK. A randomized controlled study of human Day 3 embryo cryopreservation by slow freezing or vitrification: vitrification is associated with higher survival, metabolism and blastocyst formation. Hum Reprod. 2008 Sep;23(9):1976-82. Epub 2008 Jun 10. PubMed PMID: 18544577.

22: Balaban B, Ata B, Isiklar A, Yakin K, Urman B. Severe cytoplasmic abnormalities of the oocyte decrease cryosurvival and subsequent embryonic development of cryopreserved embryos. Hum Reprod. 2008 Aug;23(8):1778-85. Epub 2008 May 12. PubMed PMID: 18477573.

23: Seyhan A, Ata B, Sidal B, Urman B. Medical treatment of uterocutaneous fistula with gonadotropin-releasing hormone agonist administration. Obstet Gynecol. 2008 Feb;111(2 Pt 2):526-8. PubMed PMID: 18239009.

24: Ates U, Ata B, Ortakuz S, Seyhan A, Urman B. Prevention of adhesion formation following ovarian surgery in a standardized animal model: comparative study of Interceed and double layer Surgicell. J Obstet Gynaecol Res. 2008 Feb;34(1):12-7. PubMed PMID: 18226123.

25: Ata B, Yakin K, Balaban B, Urman B. GnRH agonist protocol administration in the luteal phase in ICSI-ET cycles stimulated with the long GnRH agonist protocol: a randomized, controlled double blind study. Hum Reprod. 2008 Mar;23(3):668-73. Epub 2008 Jan 12. PubMed PMID: 18192671.

26: Ata B, Yakin K, Alatas C, Urman B. Dual renin-angiotensin blockage and total embryo cryopreservation is not a risk-free strategy in patients at high risk for ovarian hyperstimulation syndrome. Fertil Steril. 2008 Sep;90(3):531-6. Epub 2007 Nov 14. PubMed PMID: 18001715.

27: Urman B, Yakin K, Ata B, Isiklar A, Balaban B. Effect of hyaluronan-enriched transfer medium on implantation and pregnancy rates after day 3 and day 5 embryo  transfers: a prospective randomized study. Fertil Steril. 2008 Sep;90(3):604-12.  Epub 2007 Oct 23. PubMed PMID: 17936283.

28: Ata B, Urman B. Ultrasound guided embryo transfer does not offer any benefit  in clinical outcome: a randomized controlled study. Hum Reprod. 2008 Feb;23(2):457-8; author reply 458-9. Epub 2007 Oct 11. PubMed PMID: 17933752.

29: Urman B, Yakin K, Ata B, Balaban B. How can we improve current blastocyst grading systems? Curr Opin Obstet Gynecol. 2007 Jun;19(3):273-8. Review. PubMed PMID: 17495645.

30: Ata B, Isiklar A, Balaban B, Urman B. Prospective randomized comparison of Wallace and Labotect embryo transfer catheters. Reprod Biomed Online. 2007 Apr;14(4):471-6. PubMed PMID: 17425830.

31: Cincik M, Ergur AR, Tutuncu L, Muhcu M, Kilic M, Balaban B, Urman B. Combination of hypoosmotic swelling/eosin Y test for sperm membrane integrity evaluation: correlations with other sperm parameters to predict ICSI cycles. Arch Androl. 2007 Jan-Feb;53(1):25-8. PubMed PMID: 17364461.

32: Yakin K, Balaban B, Isiklar A, Urman B. Oocyte dysmorphism is not associated with aneuploidy in the developing embryo. Fertil Steril. 2007 Oct;88(4):811-6. Epub 2007 Feb 28. PubMed PMID: 17331507.

33: Balaban B, Yakin K, Isiklar A, Urman B. Utilization of high-security straws for embryo freezing in an in vitro fertilization program: a prospective, randomized study. Fertil Steril. 2007 Mar;87(3):691-6. Epub 2006 Dec 14. PubMed PMID: 17173906.

34: Urman B, Balaban B, Yakin K. Impact of fresh-cycle variables on the implantation potential of cryopreserved-thawed human embryos. Fertil Steril. 2007 Feb;87(2):310-5. Epub 2006 Nov 13. PubMed PMID: 17097088.

35: Karaoguz MY, Bal F, Yakut T, Ercelen NO, Ergun MA, Gokcen AB, Biri AA, Kimya  Y, Urman B, Gultomruk M, Egeli U, Menevse S. Cytogenetic results of amniocentesis materials: incidence of abnormal karyotypes in the Turkish collaborative study. Genet Couns. 2006;17(2):219-30. PubMed PMID: 16970041.

36: Balaban B, Urman B. Effect of oocyte morphology on embryo development and implantation. Reprod Biomed Online. 2006 May;12(5):608-15. Review. PubMed PMID: 16790106.

37: Urman B, Yakin K. Ovulatory disorders and infertility. J Reprod Med. 2006 Apr;51(4):267-82. Review. PubMed PMID: 16737024.

38: Balaban B, Urman B, Yakin K, Isiklar A. Laser-assisted hatching increases pregnancy and implantation rates in cryopreserved embryos that were allowed to cleave in vitro after thawing: a prospective randomized study. Hum Reprod. 2006 Aug;21(8):2136-40. Epub 2006 Apr 13. PubMed PMID: 16613888.

39: Balaban B, Yakin K, Urman B. Randomized comparison of two different blastocyst grading systems. Fertil Steril. 2006 Mar;85(3):559-63. PubMed PMID: 16500319.

40: Yakin K, Balaban B, Urman B. Is there a possible correlation between chromosomal variants and spermatogenesis? Int J Urol. 2005 Nov;12(11):984-9. PubMed PMID: 16351655.

41: Urman B, Yakin K, Balaban B. Recurrent implantation failure in assisted reproduction: how to counsel and manage. B. Treatment options that have not been  proven to benefit the couple. Reprod Biomed Online. 2005 Sep;11(3):382-91. Review. PubMed PMID: 16176683.

42: Urman B, Yakin K, Balaban B. Recurrent implantation failure in assisted reproduction: how to counsel and manage. A. General considerations and treatment  options that may benefit the couple. Reprod Biomed Online. 2005 Sep;11(3):371-81. Review. PubMed PMID: 16176681.

43: Urman B, Balaban B. Is there still a place for co-cultures in the era of sequential media? Reprod Biomed Online. 2005 Apr;10(4):492-6. Review. PubMed PMID: 15901457.

44: Balaban B, Urman B. Comparison of two sequential media for culturing cleavage-stage embryos and blastocysts: embryo characteristics and clinical outcome. Reprod Biomed Online. 2005 Apr;10(4):485-91. PubMed PMID: 15901456.

45: Yakin K, Balaban B, Urman B. Impact of the presence of one or more multinucleated blastomeres on the developmental potential of the embryo to the blastocyst stage. Fertil Steril. 2005 Jan;83(1):243-5. PubMed PMID: 15652922.

46: Balaban B, Yakin K, Urman B, Isiklar A, Tesarik J. Pronuclear morphology predicts embryo development and chromosome constitution. Reprod Biomed Online. 2004 Jun;8(6):695-700. PubMed PMID: 15169588.

47: Isiklar A, Mercan R, Balaban B, Alatas C, Aksoy S, Urman B. Impact of oocyte pre-incubation time on fertilization, embryo quality and pregnancy rate after intracytoplasmic sperm injection. Reprod Biomed Online. 2004 Jun;8(6):682-6. PubMed PMID: 15169586.

48: Urman B, Tiras B, Yakin K. Assisted reproduction in the treatment of polycystic ovarian syndrome. Reprod Biomed Online. 2004 Apr;8(4):419-30. Review.  PubMed PMID: 15149566.

49: Balaban B, Urman B. Embryo culture as a diagnostic tool. Reprod Biomed Online. 2003 Dec;7(6):671-82. Review. PubMed PMID: 14748966.

50: Urman B, Balaban B, Yakin K, Isiklar A. Outcome of blastocyst transfer according to availability of excess blastocysts suitable for cryopreservation. Reprod Biomed Online. 2003 Nov;7(5):587-92. PubMed PMID: 14680555.

51: Balaban B, Lundin K, Morrell JM, Tjellström H, Urman B, Holmes PV. An alternative to PVP for slowing sperm prior to ICSI. Hum Reprod. 2003 Sep;18(9):1887-9. PubMed PMID: 12923144.

52: Yakin K, Balaban B, Urman B. Risks of monochorionic pregnancies after assisted hatching? Fertil Steril. 2003 Apr;79(4):1044-6. PubMed PMID: 12749459.

53: Isiklar A, Mercan R, Balaban B, Alatas C, Aksoy S, Urman B. Early cleavage of human embryos to the two-cell stage. A simple, effective indicator of implantation and pregnancy in intracytoplasmic sperm injection. J Reprod Med. 2002 Jul;47(7):540-4. PubMed PMID: 12170529.

54: Urman B, Balaban B, Alatas C, Aksoy S, Mumcu A, Isiklar A. Zona-intact versus zona-free blastocyst transfer: a prospective, randomized study. Fertil Steril. 2002 Aug;78(2):392-6. PubMed PMID: 12137879.

55: Balaban B, Urman B, Alatas C, Mercan R, Mumcu A, Isiklar A. A comparison of four different techniques of assisted hatching. Hum Reprod. 2002 May;17(5):1239-43. PubMed PMID: 11980745.

56: Urman B, Alatas C, Aksoy S, Mercan R, Nuhoglu A, Mumcu A, Isiklar A, Balaban  B. Transfer at the blastocyst stage of embryos derived from testicular round spermatid injection. Hum Reprod. 2002 Mar;17(3):741-3. PubMed PMID: 11870129.

57: Balaban B, Urman B, Isiklar A, Alatas C, Aksoy S, Mercan R, Mumcu A, Nuhoglu  A. The effect of pronuclear morphology on embryo quality parameters and blastocyst transfer outcome. Hum Reprod. 2001 Nov;16(11):2357-61. PubMed PMID: 11679520.

58: El-Maarri O, Buiting K, Peery EG, Kroisel PM, Balaban B, Wagner K, Urman B, Heyd J, Lich C, Brannan CI, Walter J, Horsthemke B. Maternal methylation imprints on human chromosome 15 are established during or after fertilization. Nat Genet.  2001 Mar;27(3):341-4. PubMed PMID: 11242121.

59: Balaban B, Urman B, Alatas C, Mercan R, Aksoy S, Isiklar A. Blastocyst-stage transfer of poor-quality cleavage-stage embryos results in higher implantation rates. Fertil Steril. 2001 Mar;75(3):514-8. PubMed PMID: 11239534.

60: Urman B, Mercan R, Alatas C, Balaban B, Isiklar A, Nuhoglu A. Low-dose aspirin does not increase implantation rates in patients undergoing intracytoplasmic sperm injection: a prospective randomized study. J Assist Reprod Genet. 2000 Nov;17(10):586-90. PubMed PMID: 11209540.

61: Balaban B, Urman B, Isiklar A, Alatas C, Mercan R, Aksoy S, Nuhoglu A. Blastocyst transfer following intracytoplasmic injection of ejaculated, epididymal or testicular spermatozoa. Hum Reprod. 2001 Jan;16(1):125-129. PubMed  PMID: 11139550.

62: Balaban B, Urman B, Sertac A, Alatas C, Aksoy S, Mercan R. Blastocyst quality affects the success of blastocyst-stage embryo transfer. Fertil Steril. 2000 Aug;74(2):282-7. PubMed PMID: 10927045.

63: Mercan R, Urman B, Alatas C, Aksoy S, Nuhoglu A, Isiklar A, Balaban B. Outcome of testicular sperm retrieval procedures in non-obstructive azoospermia:  percutaneous aspiration versus open biopsy. Hum Reprod. 2000 Jul;15(7):1548-51. PubMed PMID: 10875864.

64: Balaban B, Urman B, Isiklar A, Alatas C, Aksoy S, Mercan R, Nuhoglu A. Progression to the blastocyst stage of embryos derived from testicular round spermatids. Hum Reprod. 2000 Jun;15(6):1377-82. PubMed PMID: 10831573.

65: Tesarik J, Balaban B, Isiklar A, Alatas C, Urman B, Aksoy S, Mendoza C, Greco E. In-vitro spermatogenesis resumption in men with maturation arrest: relationship with in-vivo blocking stage and serum FSH. Hum Reprod. 2000 Jun;15(6):1350-4. PubMed PMID: 10831567.

66: Urman B, Aksoy S, Alatas C, Mercan R, Nuhoglu A, Isiklar A, Balaban B. Comparing two embryo transfer catheters. Use of a trial transfer to determine the catheter applied. J Reprod Med. 2000 Feb;45(2):135-8. PubMed PMID: 10710745.

67: Urman B, Alatas C, Aksoy S, Mercan R, Isiklar A, Balaban B. Elevated serum progesterone level on the day of human chorionic gonadotropin administration does not adversely affect implantation rates after intracytoplasmic sperm injection and embryo transfer. Fertil Steril. 1999 Dec;72(6):975-9. PubMed PMID: 10593366.

68: Balaban B, Urman B, Sertac A, Alatas C, Aksoy S, Mercan R, Nuhoglu A. In-vitro culture of spermatozoa induces motility and increases implantation and pregnancy rates after testicular sperm extraction and intracytoplasmic sperm injection. Hum Reprod. 1999 Nov;14(11):2808-11. PubMed PMID: 10548627.

69: Balaban B, Urman B, Sertac A, Alatas C, Aksoy S, Mercan R. Oocyte morphology  does not affect fertilization rate, embryo quality and implantation rate after intracytoplasmic sperm injection. Hum Reprod. 1998  Dec;13(12): 3431-3. PubMed PMID: 9886529.

70: Gurgan T, Yarali H, Urman B. ICSI for selected oocytes within a batch--save for the 2nd time around? Intracytoplasmic sperm injection. Fertil Steril. 1998 Dec;70(6):1184-5. PubMed PMID: 9848320.

71: Tesarik J, Balaban B, Isiklar A, Alatas C, Urman B, Aksoy S, Greco E, Mendoza C. Effect of FSH on spermiogenesis? Fertil Steril. 1998 Nov;70(5):983-4. PubMed PMID: 9806589.

72: Balaban B, Urman B, Sertac A, Alatas C, Aksoy S, Nuhoglu A. Progression of excess embryos to the blastocyst stage predicts pregnancy and implantation rates  after intracytoplasmic sperm injection. Hum Reprod. 1998 Sep;13(9):2564-7. PubMed PMID: 9806284.

73: Alatas C, Urman B, Aksoy S, Mercan R, Nuhoğlu A. Evaluation of uterine cavity by sonohysterography in women scheduled for intracytoplasmic sperm injection. Hum Reprod. 1998 Sep;13(9):2461-2. PubMed PMID: 9806268.

74: El-Maarri O, Olek A, Balaban B, Montag M, van der Ven H, Urman B, Olek K, Caglayan SH, Walter J, Oldenburg J. Methylation levels at selected CpG sites in the factor VIII and FGFR3 genes, in mature female and male germ cells: implications for male-driven evolution. Am J Hum Genet. 1998 Oct;63(4):1001-8. PubMed PMID: 9758623; PubMed Central PMCID: PMC1377497.

75: Urman B, Alatas C, Aksoy S, Nuhoglu A, Sertac A, Balaban B. Performing testicular or epididymal sperm retrieval prior to the injection of hCG. J Assist Reprod Genet. 1998 Mar;15(3):125-8. PubMed PMID: 9547688.

76: Pabuçcu R, Atay V, Orhon E, Urman B, Ergün A. Hysteroscopic treatment of intrauterine adhesions is safe and effective in the restoration of normal menstruation and fertility. Fertil Steril. 1997 Dec;68(6):1141-3. PubMed PMID: 9418714.

77: Gürgan T, Urman B, Yarali H, Duran HE. Follicle-stimulating hormone levels on cycle day 3 to predict ovarian response in women undergoing controlled ovarian hyperstimulation for in vitro fertilization using a flare-up protocol. Fertil Steril. 1997 Sep;68(3):483-7. PubMed PMID: 9314919.

78: Urman B, Sarac E, Dogan L, Gurgan T. Pregnancy in infertile PCOD patients. Complications and outcome. J Reprod Med. 1997 Aug;42(8):501-5. PubMed PMID: 9284012.

79: Diker KS, Gurgan T, Haziroglu R, Urman B, Yurdakok M. In vitro permeation of  human chorioamniotic membranes by Campylobacter jejuni. Zentralbl Bakteriol. 1997 Apr;285(4):518-24. PubMed PMID: 9144913.

80: Gurgan T, Urman B, Yarali H. Adhesion formation and reformation after laparoscopic removal of ovarian endometriomas. J Am Assoc Gynecol Laparosc. 1996  May;3(3):389-92. PubMed PMID: 9050661.

81: Gürgan T, Yarali H, Urman B, Dagli V, Dogan L. Uterine rupture following hysteroscopic lysis of synechiae due to tuberculosis and uterine perforation. Hum Reprod. 1996 Feb;11(2):291-3. PubMed PMID: 8671212.

82: Gurgan T, Urman B, Yarali H. Results of in vitro fertilization and embryo transfer in women with infertility due to genital tuberculosis. Fertil Steril. 1996 Feb;65(2):367-70. PubMed PMID: 8566264.

83: Gomel V, Urman B, Gurgan T. Pathophysiology of adhesion formation and strategies for prevention. J Reprod Med. 1996 Jan;41(1):35-41. Review. PubMed PMID: 8855074.

84: Gürgan T, Urman B, Yarali H, Kişnişçi HA. The results of in vitro fertilization-embryo transfer in couples with unexplained infertility failing to conceive with superovulation and intrauterine insemination. Fertil Steril. 1995 Jul;64(1):93-7. PubMed PMID: 7789586.

85: Gurgan T, Yarali H, Urman B. Diagnosis of early tubal pregnancy by salpingoscopy. J Am Assoc Gynecol Laparosc. 1995 Feb;2(2):217-8. PubMed PMID: 9050561.

86: Gurgan T, Urman B, Yarali H, Aksu T, Kisnisci HA. Results of Second-Look Laparoscopy Following Removal of Endometriomata. J Am Assoc Gynecol Laparosc. 1994 Aug;1(4, Part 2):S13. PubMed PMID: 9073688.

87: Gürgan T, Urman B. Adhesions after ovarian drilling and intercede. Fertil Steril. 1994 Aug;62(2):424-6. PubMed PMID: 8034099.

88: Gürgan T, Yarali H, Urman B. Laparoscopic treatment of polycystic ovarian disease. Hum Reprod. 1994 Apr;9(4):573-7. Review. PubMed PMID: 8046005.

89: Gürgan T, Urman B, Yarali H, Aksu T, Kisnisci HA. Salpingoscopic findings in women with occlusive and nonocclusive salpingitis isthmica nodosa. Fertil Steril. 1994 Mar;61(3):461-3. PubMed PMID: 8137967.

90: Fluker MR, Urman B, Mackinnon M, Barrow SR, Pride SM, Yuen BH. Exogenous gonadotropin therapy in World Health Organization groups I and II ovulatory disorders. Obstet Gynecol. 1994 Feb;83(2):189-96. PubMed PMID: 8290180.

91: Gürgan T, Diker KS, Haziroglu R, Urman B, Akan M. In vitro infection of human fetal membranes with Candida species. Gynecol Obstet Invest. 1994;37(3):164-7. PubMed PMID: 8005544.

92: Gürgan T, Zeyneloglu HY, Develioglu O, Urman B. Megacystis microcolon intestinal hypoperistalsis syndrome: antenatal ultrasound appearance. A case report. Asia Oceania J Obstet Gynaecol. 1993 Dec;19(4):383-6. PubMed PMID: 8135670.

93: Ayhan A, Urman B, Gürgan T, Tuncer ZS, Deren O. Thrombosis of the internal jugular vein associated with severe ovarian hyperstimulation syndrome. Aust N Z J Obstet Gynaecol. 1993 Nov;33(4):436-7. PubMed PMID: 8179565.

94: Gürgan T, Urman B, Aksu T, Yarali H, Kisnisci HA. Fluid accumulation in the uterine cavity due to obstruction of the endocervical canal in a patient undergoing in vitro fertilization and embryo transfer. J Assist Reprod Genet. 1993 Aug;10(6):442-4. PubMed PMID: 8019095.

95: Gürgan T, Urman B, Diker KS, Delilbasi L, Kisnisci HA. Human follicular fluid from pre-ovulatory follicles in patients undergoing in-vitro fertilization inhibits the in-vitro growth of gram-positive micro-organisms. Hum Reprod. 1993 Apr;8(4):508-10. PubMed PMID: 8501175.

96: Gurgan T, Urman B, Kisnisci HA. Circulating CA-125 levels in superovulated women are mainly derived from the ovaries. Fertil Steril. 1993 Apr;59(4):928-30.  PubMed PMID: 8458518.

97: Gürgan T, Zeyneloğlu H, Urman B, Develioğlu O, Yarali H. Pelvic-peritoneal tuberculosis with elevated serum and peritoneal fluid Ca-125 levels. A report of two cases. Gynecol Obstet Invest. 1993;35(1):60-1. PubMed PMID: 8449437.

98: Gürgan T, Urman B, Aksu T, Develioglu O, Zeyneloglu H, Kisnisçi HA. Laparoscopic CO2 laser uterine nerve ablation for treatment of drug resistant primary dysmenorrhea. Fertil Steril. 1992 Aug;58(2):422-4. PubMed PMID: 1386032.

99: Gürgan T, Urman B, Aksu T, Yarali H, Develioglu O, Kisnisci HA. The effect of short-interval laparoscopic lysis of adhesions on pregnancy rates following Nd-YAG laser photocoagulation of polycystic ovaries. Obstet Gynecol. 1992 Jul;80(1):45-7. PubMed PMID: 1534881.

100: McComb PF, Jetha N, Urman B, Paleologos A. The effect of intraovarian injection of oxytocin and vasopressin on ovulatory function and numbers of ovarian follicles. Fertil Steril. 1992 Jun;57(6):1356-7. PubMed PMID: 1601166.

101: Urman B, Fluker MR, Yuen BH, Fleige-Zahradka BG, Zouves CG, Moon YS. Theoutcome of in vitro fertilization and embryo transfer in women with polycystic ovary syndrome failing to conceive after ovulation induction with exogenous gonadotropins. Fertil Steril. 1992 Jun;57(6):1269-73. PubMed PMID: 1601149.

102: Urman B, Gomel V, McComb P, Lee N. Midtubal occlusion: etiology, management, and outcome. Fertil Steril. 1992 Apr;57(4):747-50. PubMed PMID: 1555684.

103: Zouves C, Urman B, Gomel V. Laparoscopic surgical treatment of tubal pregnancy. A safe, effective alternative to laparotomy. J Reprod Med. 1992 Mar;37(3):205-9. PubMed PMID: 1532989.

104: Urman B, Pride SM, Yuen BH. Management of overstimulated gonadotrophin cycles with a controlled drift period. Hum Reprod. 1992 Feb;7(2):213-7. PubMed PMID: 1577933.

105: Urman B, Gomel V. Effect of hyaluronic acid on postoperative intraperitoneal adhesion formation and reformation in the rat model. Fertil Steril. 1991 Sep;56(3):568-70. PubMed PMID: 1894038.

106: Urman B, Gomel V, Jetha N. Effect of hyaluronic acid on postoperative intraperitoneal adhesion formation in the rat model. Fertil Steril. 1991 Sep;56(3):563-7. PubMed PMID: 1894037.

107: Urman B, Zouves C, Gomel V. Fertility outcome following tubal pregnancy. Acta Eur Fertil. 1991 Jul-Aug;22(4):205-8. PubMed PMID: 1844322.

108: Urman B, Pride SM, Yuen BH. Elevated serum testosterone, hirsutism, and virilism associated with combined androgen-estrogen hormone replacement therapy. Obstet Gynecol. 1991 Apr;77(4):595-8. PubMed PMID: 2002984.

109: Urman BC, McComb PF. Tubal occlusion after inguinal hernia repair. A case report. J Reprod Med. 1991 Mar;36(3):175-6. PubMed PMID: 2030492.

110: Mironenko MA, Adamov OA, Shliakhova GN, Maĭkovskiĭ AI, Ponomarenko NI, Urman BE. [Effects of a castor-plant processing enterprise on the health of the population]. Gig Sanit. 1991 Feb;(2):71. Russian. PubMed PMID: 2055523.

111: Durukan T, Urman B, Yarali H, Arikan U, Beykal O. An abdominal pregnancy 10 years after treatment for pelvic tuberculosis. Am J Obstet Gynecol. 1990 Aug;163(2):594-5. PubMed PMID: 2386148.

112: Ayhan A, Urman B, Yarali H, Yüce K, Ayhan A. Predictors of recurrent disease after negative second-look laparotomy for epithelial ovarian cancer. J Surg Oncol. 1990 Jun;44(2):119-21. PubMed PMID: 2355741.

113: Ayhan A, Yarali H, Urman B, Yüce K, Günalp S, Ayhan A, Havlioğlu S. Comparison of clinical and surgical-pathologic staging in patients with endometrial carcinoma. J Surg Oncol. 1990 Jan;43(1):33-5. PubMed PMID: 2296194.

114: Ayhan A, Yarali H, Diker I, Urman B, Develioğlu O. Digoxin-like immunoreactive substance and preterm labor. Gynecol Obstet Invest. 1990;30(2):75-7. PubMed PMID: 2245952.

115: Ayhan A, Akkök E, Urman B, Yarali H, Dündar S, Kirazli S. Beta-thromboglobulin and platelet factor 4 levels in pregnancy and preeclampsia. Gynecol Obstet Invest. 1990;30(1):12-4. PubMed PMID: 2146196.

116: Ayhan A, Yüce K, Tuncer ZS, Urman B, Ayhan A. Stage I adenocarcinoma of the uterine cervix: tumour size, grade, lymph node metastases and 5-year survival. Aust N Z J Obstet Gynaecol. 1989 Nov;29(4):443-4. PubMed PMID: 2631680.

117: Ayhan A, Urman B, Yüce K, Ayhan A, Gököz A. Topical testosterone for lichen sclerosus. Int J Gynaecol Obstet. 1989 Nov;30(3):253-5. PubMed PMID: 2575053.

118: Urman BC, McComb PF. A biphasic basal body temperature record during pregnancy. Acta Eur Fertil. 1989 Nov-Dec;20(6):371-2. PubMed PMID: 2488983.

119: Ayhan A, Yarali H, Urman B, Günalp S, Yüce K, Ayhan A, Havlioglu S. Lymph node metastasis in early endometrium cancer. Aust N Z J Obstet Gynaecol. 1989 Aug;29(3 Pt 2):332-5. PubMed PMID: 2619683.

120: Ayhan A, Yüce K, Urman B, Ayhan A, Gököz A. Vulvar dystrophies: an evaluation. Aust N Z J Obstet Gynaecol. 1989 Aug;29(3 Pt 1):250-2. PubMed PMID:2604657.