1: Coetzee K, Kruger TF, Lombard CJ, Shaughnessy D, Oehninger S, Ozgür K, Pomeroy KO, Muller CH. Assessment of interlaboratory and intralaboratory sperm morphology readings with the use of a Hamilton Thorne Research integrated visual optical system semen analyzer. Fertil Steril. 1999 Jan;71(1):80-4. Erratum in: Fertil Steril 1999 Oct;72(4):755. Muller C [corrected to Muller CH]. PubMed PMID: 9935120.

2: Barroso G, Mercan R, Ozgur K, Morshedi M, Kolm P, Coetzee K, Kruger T, Oehninger S. Intra- and inter-laboratory variability in the assessment of sperm morphology by strict criteria: impact of semen preparation, staining techniques and manual versus computerized analysis. Hum Reprod. 1999 Aug;14(8):2036-40. PubMed PMID: 10438423.

3: Ozgur K, Patankar MS, Oehninger S, Clark GF. Direct evidence for the involvement of carbohydrate sequences in human sperm-zona pellucida binding. Mol Hum Reprod. 1998 Apr;4(4):318-24. PubMed PMID: 9620830.

4: Nassar A, Mahony M, Blackmore P, Morshedi M, Ozgur K, Oehninger S. Increase of intracellular calcium is not a cause of pentoxifylline-induced hyperactivated motility or acrosome reaction in human sperm. Fertil Steril. 1998 Apr;69(4):748-54. PubMed PMID: 9548168.

5: Patankar MS, Ozgur K, Oehninger S, Dell A, Morris H, Seppala M, Clark GF. Expression of glycans linked to natural killer cell inhibition on the human zona pellucida. Mol Hum Reprod. 1997 Jun;3(6):501-5. PubMed PMID: 9239739.

6: Oehninger S, Mahony M, Ozgür K, Kolm P, Kruger T, Franken D. Clinical significance of human sperm-zona pellucida binding. Fertil Steril. 1997 Jun;67(6):1121-7. PubMed PMID: 9176454.

7: Ozgür K, Yildiz A, Uner M, Erkiliç M, Trak B, Erman O. Radionuclide hysterosalpingography with radiolabeled spermatozoa. Fertil Steril. 1997 Apr;67(4):751-5. PubMed PMID: 9093206.

8: Ozgür K, Kizilates A, Uner M, Erman O, Trak B. Induction of labor with intravaginal misoprostol versus intracervical dinoprostone. Arch Gynecol Obstet. 1997;261(1):9-13. PubMed PMID: 9451517.

9: Ozgür K, Franken DR. The influence of sperm/zona pellucida collision rates on zona binding. Andrologia. 1996 Sep-Oct;28(5):261-5. PubMed PMID: 8893094.

10: Kruger TF, Lacquet FA, Sarmiento CA, Menkveld R, Ozgür K, Lombard CJ, Franken DR. A prospective study on the predictive value of normal sperm morphology as evaluated by computer (IVOS). Fertil Steril. 1996 Aug;66(2):285-91. PubMed PMID: 8690118.

11: Ozgür K, Franken DR, Kaskar K, Gabriel LK, Kruger TF. The influence of a mineral oil overlay on the zona pellucida binding potential of human spermatozoa. Andrologia. 1995 May-Jun;27(3):155-9. PubMed PMID: 7639346.

12: Ozgür K, Franken DR, Kaskar K, Lombard CJ, Kruger TF. Development of a predictive model for optimal zona pellucida binding using insemination volume and sperm concentration. Fertil Steril. 1994 Oct;62(4):845-9. PubMed PMID: 7926097.

13: Berkkanoglu M, Ozgur K. What is the optimum maximal gonadotropin dosage used in microdose flare-up cycles in poor responders? Fertil Steril. 2010 Jul;94(2):662-5. doi: 10.1016/j.fertnstert.2009.03.027. Epub 2009 Apr 14. PubMed PMID: 19368912.

14: Berkkanoglu M, Isikoglu M, Arici F, Ozgur K. What is the best time to perform intracytoplasmic sperm injection/embryo transfer cycle after hysteroscopic surgery for an incomplete uterine septum? Fertil Steril. 2008 Dec;90(6):2112-5. doi: 10.1016/j.fertnstert.2007.10.018. Epub 2008 Jan 4. PubMed PMID: 18177864.

15: Isikoglu M, Ozgur K, Oehninger S. Extension of GnRH agonist through the luteal phase to improve the outcome of intracytoplasmic sperm injection. J Reprod Med. 2007 Jul;52(7):639-44. PubMed PMID: 17847764.

16: Isikoglu M, Ozdem S, Berkkanoglu M, Jamal H, Senturk Z, Ozgur K. Single-dose depot leuprolide is as efficient as daily short-acting leuprolide in ICSI cycles. Hum Reprod. 2007 Jun;22(6):1657-61. Epub 2007 Apr 12. PubMed PMID: 17434884.

17: Ozgur K, Isikoglu M, Donmez L, Oehninger S. Is hysteroscopic correction of an incomplete uterine septum justified prior to IVF? Reprod Biomed Online. 2007 Mar;14(3):335-40. PubMed PMID: 17359587.

18: Isikoglu M, Berkkanoglu M, Senturk Z, Ozgur K. Human albumin does not prevent ovarian hyperstimulation syndrome in assisted reproductive technology program: a prospective randomized placebo-controlled double blind study. Fertil Steril. 2007 Oct;88(4):982-5. Epub 2007 Feb 20. PubMed PMID: 17313946.

19: Berkkanoglu M, Isikoglu M, Aydin D, Ozgur K. Clinical effects of ovulation induction with recombinant follicle-stimulating hormone supplemented with recombinant luteinizing hormone or low-dose recombinant human chorionic gonadotropin in the midfollicular phase in microdose cycles in poor responders. Fertil Steril. 2007 Sep;88(3):665-9. Epub 2007 Feb 12. PubMed PMID: 17292895.

20: Berkkanoglu M, Isikoglu M, Seleker M, Ozgur K. Flushing the endometrium prior to the embryo transfer does not affect the pregnancy rate. Reprod Biomed Online. 2006 Aug;13(2):268-71. PubMed PMID: 16895645.

21: Isikoglu M, Ozgur K, Oehninger S, Ozdem S, Seleker M. Serum anti-Müllerian hormone levels do not predict the efficiency of testicular sperm retrieval in men with non-obstructive azoospermia. Gynecol Endocrinol. 2006 May;22(5):256-60. PubMed PMID: 16785146.

22: Isikoglu M, Berkkanoglu M, Senturk Z, Coetzee K, Ozgur K. Endometrial polyps smaller than 1.5 cm do not affect ICSI outcome. Reprod Biomed Online. 2006 Feb;12(2):199-204. PubMed PMID: 16478585.

23: Isikoglu M, Senol Y, Berkkanoglu M, Ozgur K, Donmez L, Stones-Abbasi A. Public opinion regarding oocyte donation in Turkey: first data from a secular population among the Islamic world. Hum Reprod. 2006 Jan;21(1):318-23. Epub 2005 Aug 25. PubMed PMID: 16123084.

24: Yilmaz H, Ozgur K, Isikoglu M, Sonmez C, Uner M. Bone resorption starts at 14 days of treatment with gonadotropin-releasing hormone agonist in in vitro fertilization cycles. Gynecol Endocrinol. 2004 Jul;19(1):40-6. PubMed PMID: 15625772.

25: Aydin H, Onal MZ, Ozkaynak S, Ozgur K. Effects of estradiol on cognition evaluated with p300 in in vitro fertilization patients. Int J Neurosci. 2004 Dec;114(12):1591-9. PubMed PMID: 15512842.

26: Ozgur K, Isikoglu M. Cornual heterotopic pregnancy: conservative treatment with transvaginal embryo reduction. Arch Gynecol Obstet. 2005 Jan;271(1):73-5. Epub 2004 Jan 13. PubMed PMID: 14722713.

27: Isikoglu M, Ozgur K. Rapid decline in ovarian reserve after repeated ART cycles in a 22-year-old IVF patient. Arch Gynecol Obstet. 2003 Aug;268(3):206-8. Epub 2003 Jun 25. PubMed PMID: 12827391.