Yurtdışı Makaleler ve Sunumlar

Makaleler

1- Ahmet Zeki Işık, Metin Gülmezoğlu. Laparoelytrotomy: Abdominal delivery without uterine incision. Letter to the editor. American Journal of Obstetrics and Gynecology 1991; 165:781.
2- Ahmet Zeki Işık, Ercan Aydemir, Gürkan Zorlu, Dilare Taner, Volkan Adsay, Güzin Nuhoğlu. Pelvic Castleman disease: an unusual pelvic mass. Australian New Zeland Journal of Obstetrics and Gynecology 1994; 34: 1 :118-120.
3- C. Gürkan Zorlu, Ömer Çobanoğlu, Ahmet Zeki Işık, Lale Kutluay, Esra Kuşcu. Accuracy of Pipelle endometrial sampling in endometrial carcinoma. Gynecologic and Obstetric Investigation 1994;38:272-275.
4- C.Gürkan Zorlu, Gülnur Özakşit, Ahmet Zeki Işık, Turhan Çağlar, Oya Gökmen.Anatomic distortion of clinically normal appearing fallopian tube: to what extent does it contribute to infertility? Gynecologic and Obstetric Investigation 1996; 41: 44-46
5- C. G. Zorlu, Ahmet Zeki Işık, T. Çağlar. Primary pelvic echinococcosis in pregnancy. Letter to the editor. International Journal of Gynecology and Obstetrics 1996;54:177-178.
6- Ahmet Zeki Işık, Oya Gökmen , Hulusi B. Zeyneloğlu, Seyide Kara, Gürhan Keleş, Bülent Gülekli. Intravenous albumin prevents moderate-severe ovarian hyperstimulation in in-vitro fertilization patients: a prospective, randomized and controlled study. European Journal of Obstetrics and Gynecology and Reproductive Biology 1996; 70: 179-183.
7- Ahmet Zeki Işık, Oya Gökmen, Hulusi B. Zeyneloğlu, Selim Şenöz, Cahit Gürkan Zorlu. Low dose ketoconazole is an effective and a relatively safe alternative in the treatment of hirsutismus. Australian New Zeland Journal of Obstetrics and Gynecology 1996; 36: 487-489.
8- C.Gürkan Zorlu, Nuri Danışman, Turhan Çağlar, Cem Turan, Ahmet Zeki Işık, Babür Kaleli, Oya Gökmen. Vaginal birth following unmonitored labor in patients with prior cesarean section. Gynecologic and Obstetric Investigation 1996 ; 42: 222-226.
9- O.Gökmen, S. Şenöz, B. Gülekli, Ahmet Zeki Işık. Comparison of four different regimes in hirsutismus related to polycystic ovary syndrome. Gynecologic Endocrinology 1996 ;10: 249-255.
10- Semra. Kahraman , MuratTaşdemir, Işık Taşdemir, Kubilay Vicdan , Suat Özgür , Gurur Polat, Ahmet Zeki Işık, Kutay Biberoğlu, Pierre Vanderzwalmen, Martin Nijs, Robert Schoysman. Pregnancies achieved with testicular and ejaculated spermatozoa in combination with inracytoplasmic sperm injection in men with totally or initially immotile spermatozoa in the ejaculate. Human Reproduction 1996; 11 : 1343-1346.
11- Ahmet Zeki Işık, Bülent Gülekli, C.Gürkan Zorlu, Tolga Ergin, Oya Gökmen. Endocrinological and clinical analysis of hyperprolactinemic patients with and without ultrasonically diagnosed polycystic ovarian changes. Gynecologic and Obstetric Investigation 1997; 43 : 183-185.
12- Semra Kahraman , Ahmet Zeki Işık, Kubilay Vicdan , Suat Özgür, Osman Denizhan Özgün. A healthy birth after intracytoplasmic sperm injection by using immotile testicular spermatozoa in a case with totally immotile ejaculated spermatozoa before and after Percoll gradients. Human Reproduction 1997 ; 12 : 292-293.
13- Semra Kahraman, Kubilay Vicdan, Ahmet Zeki Işık, Osman D. Özgün, Levent Alaybeyoğlu, Gurur Polat, Kutay Biberoğlu. Clomiphene citrate challenge test in the assessment of ovarian reserve before controlled ovarian hyperstimulation for intracytoplasmic sperm injection European Journal of Obstetrics and Gynecology and Reproductive Biology 1997; 73: 177-182.
14- Semra Kahraman, Kubilay Vicdan, Alp Nuhoğlu, Nuri Danışman, Ahmet Zeki Işık, Osman D. Özgün, Kutay Biberoğlu: Outcomes of multifetal pregnancy reduction in multiple pregnancies achieved by intracytoplasmic sperm injection using ejaculated, testicular or epididymal sperm. Gynecologic and Obstetric Investigation 1997; 44: 1-5.
15- Ahmet Zeki Işık, Semra Kahraman, Kubilay Vicdan, Levent Alaybeyoğlu, Osman D.Özgün, Gurur Polat, Kutay Biberoğlu : Intravenous albumin combined with low dose human chorionic gonadotropin and late step-down administration of menotropins are found to be effective in prevention of severe ovarian hyperstimulation syndrome in a relatively large group of high risk patients in an in vitro fertilization program. Middle East Fertility Society Journal 2:3:238-242, 1997
16- Kubilay Vicdan, Semra Kahraman, Ahmet Zeki Işık : The predictive value of a single early beta human chorionic gonadotropin level in pregnancies achieved by intracytoplasmic sperm injection. International Journal of Gynecology and Obstetrics 1997; 59: 139-140.
17- C.Gürkan Zorlu, Turhan Çağlar, Ahmet Zeki Işık, Nuri Danıtman, Tamer Mungan, Oya Gökmen. Emergency hysterectomy in modern obstetric practice. Changing clinical perspective in time. Acta Obstetrica Scandinavica 1998; 77: 186-190.
18- Ahmet Zeki Işık, Kubilay Vicdan, Levent Alaybeyoğlu. Does IV albumin prevent severe ovarian hyperstimulation. Letter to the editor. Fertility and Sterility 1998; 69: 356.
19- Hulusi B. Zeyneloglu, Ahmet Zeki Işık, Seyide Kara, Selim Senöz, Utku Özcan, Oya Gökmen. Impact of baseline cysts at the time of administration of gonadotropin-releasing hormone analog for in vitro fertilization. International Journal of Fertility 1998; 43: 300-305.
20- Koray Budak, Gülnur Özakşit, Ahmet Kaur, Güler Zilelioğlu, Ahmet Zeki Işık. The effects of estrogen replacement therapy on conjunctiva and lacrimal functions in post menopausal women. Annals of Opthalmology 1998; 30 (5): 286 – 289.
21- Kubilay Vicdan, Ahmet Zeki Işık. Low day 3 luteinizing hormone values are predictive of reduced response to ovarian stimulation. Letter to the editor . Human Reproduction, 14:3, 863-866, 1998
22- Kubilay Vicdan, Ahmet Zeki Işık. Intracytoplasmic sperm injection is not associated with poor outcome in couples with normal semen parameters and previous idiopathic fertilization failure in conventional in vitro fertilization. European Journal of Obstetrics and Gynecology and Reproductive Biology 1999; 87: 87-90.
23- Kubilay Vicdan, Ahmet Zeki Işık, Ayten Kaba, Halime Gül Dağlı, Hüsnü Kişnişçi. Fertilization and development of a blastocyst-stage embryo after selective intracytoplasmic sperm injection of a mature oocyte from binovular zona pellucida: a case report. Journal of Assisted Reproduction and Genetics 1999; 16: 355-357.
24- Ahmet Zeki Işık, Kubilay Vicdan. Borderline form of empty follicle syndrome: is it really an entity. European Journal of Obstetrics and Gynecology and Reproductive Biology 2000; 88: 213-215.
25- Ahmet Zeki Işık, Kubilay Vicdan , Ayten Kaba, Halime Gül Dağlı,. Comparison of zona manipulated and zona intact blastocyst transfer : a prospective randomized trial. Journal of Assisted Reproduction and Genetics 2000; 17: 135-139.
26- Kubilay Vicdan, Ahmet Zeki Işık, Lale Delilbaşı. Development of blastocyst stage embryos after round spermatid injection in patients with complete spermiogenesis failure. Journal of Assisted Reproduction and Genetics 2001;18:78-86.
27- Kubilay Vicdan, Ahmet Zeki Işık. Luteal phase hormonal profile in the prediction of pregnancy and its outcome in assisted reproductive technologies. European Journal of Obstetrics and Gynecology and Reproductive Biology 2001;96: 98-101.
28- Ahmet Zeki Işık, Kubilay Vicdan. Combined approach as an effective method in the prevention of severe ovarian hyperstimulation syndrome. European Journal of Obstetrics and Gynecology and Reproductive Biology 2001; 97: 208-212.
29- Vicdan A, Vicdan K, Günalp S, Kence A, Akarsu C, Ahmet Zeki Işık, Sözen E. Genetic aspects of human male infertility: the frequency of chromosomal abnormalities and Y chromosome microdeletions in severe male factor infertility. Eur J Obstet Gynecol Reprod Biol. 2004 10;117(1):49-54.
30- Vicdan K, Ahmet Zeki Işık, Akarsu C, Sözen E, Cağlar G, Dingiloğlu B, Tuncay G. The effect of retained embryos on pregnancy outcome in an in vitro fertilization and embryo transfer program. Eur J Obstet Gynecol Reprod Biol. 2007 ;134(1):79-82.
31- Births Using Frozen-Thawed Testicular Spermatozoa and Frozen-Thawed Embryos in Two Azoospermic Patients with Nonmosaic Klinefelter’s Syndrome. Kubilay Vicdan, Cem Akarsu, Arzu Vicdan ,Bihter Dingilloğlu, Eran Sözen, Zeynep Çoşkun, Ahmet Zeki Işık. J Turkish-German Gynecol Assoc, Vol. 8(4); 2007
32- Kartagener’s Syndrome and Intracytoplasm›c Injection of Ejaculated Immotile Spermatozoa Selected by Hypo-Osmotic Swelling Test Gamze Sinem Çağlar, Kubilay Vicdan, Ahmet Zeki IŞIK, Cem Akarsu, Eran Sözen. J Turkish-German Gynecol Assoc, Vol. 8(2); 2007
33- Dirican EK, Ahmet Zeki Işık, Vicdan K, Sozen E, Suludere Z. Clinical pregnancies and livebirths achieved by intracytoplasmic injection of round headed acrosomeless spermatozoa with and without oocyte activation in familial globozoospermia: case report. Asian J Androl. 2008 ;10(2):332-6.
34- Akarsu C, Caglar G, Vicdan K, Ahmet Zeki Işık, Tuncay G. Pregnancies achieved by testicular sperm recovery in male hypogonadotrophic hypogonadism with persistent azoospermia. Reprod Biomed Online. 2009;18(4):455-9.
35- Ahmet Zeki Işık, GS Caglar, E Sozen, C Akarsu, G Tuncay, T Ozbıcer, K Vicdan. Single-dose GnRH agonist administration in theluteal phase of GnRH antagonist cycles: a prospective randomized study. Reproductive BioMedicine Online 2009;19: 472–477

Sunumlar

1- E.Ekici, N.Danışman, Ahmet Z. Işık, E.Yapar, S.Özmen, O.Gökmen. Dandy Walker malformation in Meckel’s syndrome. The Second World Congress of Ultrasound in Obstetrics and Gynecology, June 28th – July 3 rd, 1992, Bonn, Germany.

2- Ahmet Z. Işık, Levent Alaybeyoğlu, Tansel Çetinkaya, Elif Gül Yapar, Oya Gökmen. Comparison of ritodrine and nifedipine in the management of preterm labor. Foundation Congress of the European Society for Gynecological and Obstetric Investigation, February 7 – 14, 1993, Madonna di Campiglio (Trentino, Italy).
3- A.Lembet, Ö.Öztürk, Ahmet Z. Işık, O.Gökmen. Steroid and antibiotic use in preterm premature rupture of membranes. What are the risks and benefits for the and neonateThe First World Congress on Labor and Delivery. July 3-7, 1994, Jerusalem, Israel.
4- Ö.Öztürk, A. Lembet, Ahmet Z. Işık, O.Gökmen. Intraamniotic infection in preterm premature rupture of membranes. The diagnostic procedures and their correlation with maternal and neonatal infection. The First World Congress on Labor and Delivery. July 3-7, 1994, Jerusalem, Israel.
5- M.B.Kaleli, Ahmet Z. Işık, E.Ekici, L.Alaybeyoğlu, G.Zorlu, O.Gökmen. Color Doppler analysis of maternal and fetal blood flow in preterm labor patients treated with nifedipine: preliminary report. The First World Congress on Labor and Delivery. July 3-7, 1994, Jerusalem, Israel.
6- C.G.Zorlu, N.Danışman, T.Çağlar, C.Turan, Ahmet Z. Işık, B.Kaleli , O.Gökmen. Vaginal delivery in patients with previous cesarean section. The First World Congress on Labor and Delivery. July 3-7, 1994, Jerusalem, Israel.
7- O. Başaran, S.Altan, Ahmet Z. Işık, Z.Başaran, H.Yalçın, G.Zorlu, O.Gökmen. Can antenatal maternal vitamin-K administration prevent neonatal periventricular-intraventricular hemorrhage? A prospective, randomized clinical trial. The First World Congress on Labor and Delivery. July 3-7, 1994, Jerusalem, Israel.
8- C.G. Zorlu, Cem Turan, Ahmet Z. Işık, Turhan Çağlar, Nuri Danışman, Oya Gökmen. Intrauterine fetal demise of single fetus in twin pregnancy. Fourteenth European Congress of Perinatal Medicine, June 5-8, 1994, Helsinki, Finland.
9- S.Ege, S.Senöz, Ahmet Z. Işık, O.Gökmen. Electron microscopic (EM) study of ultramorphological parameters in oligoasthenospermic specimens and effect of pentoxyfylline on sperm morphology. Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
10- S.Şenöz, S.Kara, Ahmet Z. Işık, H.B.Zeyneloğlu, G.Keleş, H.Oral, O.Gökmen. Is strict suppression criteria in GnRH-a cycles really necessary? Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
11- S.Kara, Ahmet Z. Işık, H.B. Zeyneloğlu, S.Ege, B.Gülekli, U.Özcan, O.Gökmen. Modification of insemination protocol in conventional in invitro fertilization (IVF) in severe male factor infertility. Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
12- Ahmet Z. Işık, S.Senöz, G.Keleş, B.Gülekli, U.Özcan, O.Gökmen. Type of endometrial sonographic pattern but not thickness, has an effect on pregnancy rates in an invitro fertilization program. Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
13- S.Kara, H.B.Zeyneloğlu, S.Şenöz, Ahmet Z. Işık, B.Gülekli, H.Oral, O.Gökmen. The comparison of three different luteal phase support in IVF patients. Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
14- Ahmet Z. Işık, H.B.Zeyneloğlu, S.Şenöz, S.Kara, S.Ege, H.Oral, O.Gökmen. High dosages of HMG are not associated with poor pregnancy outcomes. Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
15- S.Senöz, B.Gülekli, Ahmet Z. Işık, G.Keleş, S.Kara, G.Dađlý, O,Gökmen. The comparison of four different GnRH-a regimen in invitro fertilization. Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
16- Ahmet Z. Işık, O.Gökmen, H.B.Zeyneloğlu, S.Kara, G.Keleş, B.Gülekli. Intravenous albumin prevents moderate – severe ovarian hyperstimulation syndrome in in – vitro fertilization patients: a prospective randomized and controlled study. Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
17- S.Ege, S.Senöz, B.Gülekli, S.Kara, Ahmet Z. Işık, O.Gökmen. Effect of pentoxifylline on sperm motility in oligoasthenospermic specimens. Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
18- H.B.Zeyneloğlu, Ahmet Z. Işık, S.Kara, S.Şenöz, U.Özcan, O.Gökmen. The impact of baseline cysts at the time of administration of gonadotropin releasing hormone anolog (GnRHa) for in vitro fertilization (IVF). Ninth World Congress on IVF and Alternate Assisted Reproduction, 3-7 April, 1995, Vienna, Austria.
19- O.Gökmen, S.Senöz, B.Gülekli, Ahmet Z. Işık. Comparison of four different regimes in hirsutismus related to polycystic ovary syndrome. Fifteenth World Congress on Fertility and Sterility, September, 17-22, 1995, Montpellier, France.
20- S.Senöz, B.Gülekli, B.Direm, Ahmet Z. Işık, S.Kara, H.B.Zeyneloğlu, O.Gökmen. Estrogen deprivation, not the age of patients, is the responsible factor for the poor cardiovascular risk in women. Fifteenth World Congress on Fertility and Sterility, September, 17-22, 1995, Montpellier, France.
21- S.Kara Soysal, Ahmet Z. Işık, S.Şenöz, S.Karakaya, H.B.Zeynelođlu, B.Gülekli, O.Gökmen.The value of single progesteron level in determination of luteal phase defect. Fifteenth World Congress on Fertility and Sterility, September, 17-22, 1995, Montpellier, France.
22- H.B.Zeyneloğlu, Ahmet Z.Işık, B.Seçkin, S.Şenöz, S.Batıoğlu, G.Zorlu, O.Gökmen. The effect of the initiation day of clomiphene citrate on the outcome of the ovulation induction cycle. Fifteenth World Congress on Fertility and Sterility, September, 17-22, 1995, Montpellier, France.
23- H.B.Zeyneloğlu, Ahmet Z. Işık, C.G.Zorlu, B.Selam, S.Şenöz, O.Gökmen. Comparison of two regimens on serum lipid changes in women with premature ovarian failure: estradiol valerate + cyproterone acetate (climen) versus conjugated equine estrogen + medroxy progesterone acetate. Fifteenth World Congress on Fertility and Sterility, September, 17-22, 1995, Montpellier, France.
24- Ahmet Z. Işık, O.Gökmen, H.B.Zeyneloğlu, S.Şenöz, C.G.Zorlu. Low dose ketoconazole is effective and relatively safe alternative in the treatment of hirsutismus. Fifteenth World Congress on Fertility and Sterility, September, 17-22, 1995, Montpellier, France.
25- S.Kara, B.Gülekli, Ahmet Z. Işık, S.Şenöz, H.Zeynelođlu, M.Uđur, O.Gökmen. Management of pure gonadal dysgenesis. Eleventh Annual Meeting of the ESHRE, June 24-27, 1995, Hamburg, Germany.
26- S.Kara, Ahmet Z.Işık, H.B. Zeyneloğlu, B. Gülekli, O.Gökmen. Neurofibromatosis with vulvar involvement and retarded sexual development: a case report. Eleventh Annual Meeting of the ESHRE, June 24-27, 1995, Hamburg, Germany.
27- Işık Taşdemir, Semra Kahraman, Murat Tatdemir, Suat Özgür, Kubilay Vicdan, Ahmet Z. Işık, Kutay Biberoğlu : Outcome of ICSI with totally morphologically abnormal spermatozoa. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
28- Işık Taşdemir, Semra Kahraman, Murat Taşdemir, Suat Özgür, Kubilay Vicdan, Ahmet Z. Işık, Gurur Polat, Kutay Biberoğlu : Fertilization after testicular sperm extraction and ICSI in a case with no vital spermatozoa in the ejaculate. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
29- Murat Taşdemir, Semra Kahraman, Suat Özgür, Işýk Taşdemir, Kubilay Vicdan, Ahmet Z. Işık, Gurur Polat, Kutay Biberoğlu : High implantation and pregnancy rates with testicular sperm extraction and ICSI in obstructive and non-obstructive azoospermia. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
30- Işık Taşdemir, Semra Kahraman, Murat Taşdemir, Suat Özgür, Kubilay Vicdan, Ahmet Z. Işık, Gurur Polat, Kuaty Biberoğlu : Pregnancy after testicular sperm extraction and ICSI with totally immotile spermatozoa lacking dynein arms : a case report. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
31- Semra Kahraman, Murat Taşdemir, Işık Taşdemir, Kubilay Vicdan, Suat Özgür, Gurur Polat, Ahmet Z. Işık, Kutay Biberoğlu: Pregnancies achieved with testicular and ejaculated spermatozoa in combination with ICSI in men with totally immotile or initially immotile spermatooza in the ejaculate. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
32- Semra Kahraman, Kubilay Vicdan, Suat Özgür, Murat Taşdemir, Işık Taşdemir, Ahmet Z. Işık, Gurur Polat, Osman D.Özgün, Kutay Biberoğlu : High fertilization rate with spermatid stage spermatozoa with testicular sperm extraction and ICSI in a non-obstructive azoospermic couple : a case report. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
33- Semra Kahraman, Suat Özgür, Murat Taşdemir, Işık Taşdemir, Kubilay Vicdan, Ahmet Z. Işık, Gurur Polat, Kutay Biberoğlu : Fertility with testicular sperm extraction and ICSI in non-obstructive azoospermic males. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
34- Semra Kahraman, Işık Taşdemir, Murat Tatdemir, Kubilay Vicdan, Ahmet Z. Işık, Gurur Polat, Kutay Biberoğlu : Successful fertilization and pregnancy with ICSI in a case with globozoospermia. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
35- Ahmet Z. Işık, Semra Kahraman, Kubilay Vicdan, Murat Taşdemir, Işık Taşdemir, Gurur Polat, Osman D.Özgün, Kutay Biberoğlu : The impact of oocyte quantity on pregnancy outcome in ICSI cycles. ESHRE, 12th Annual Meeting, June 30-July 3, 1996, Maastricht, Netherlands.
36- Semra Kahraman, Suat Özgür, Ahmet Z. Işık, Kubilay Vicdan, Osman D.Özgün, Gurur Polat, Murat Şamlı, Kutay Biberoğlu : A comparison vitality and fertility by using testicular and ejaculated sperm for ICSI in the case of totally immotile spermatozoa in the ejaculate. Intracytoplasmic Sperm Injection : Basic and Clinical Aspects, September 20-21, 1996, Thessaloniki, Greece.
37- Semra Kahraman, Ahmet Z. Işık, Kubilay Vicdan, Suat Özgür, Gurur Polat, Murat Şamlı, Erdemir E, Ayten Kaba, Şafak Tavukçuoğlu, Kutay Biberoğlu : A comparison of two methods to obtain spermatozoa with testicular sperm extraction in obstructive and non-obstructive azoapermia : percoll gradients and precipitated sperm suspension after centrifugate. Intracytoplasmic Sperm Injection : Basic and Clinical Aspects, September 20-21, 1996, Thessaloniki, Greece.
38- Suat Özgür, Semra Kahraman, Murat Şamlý, Tülay Evrenkaya, Ahmet Z. Işık, Kubilay Vicdan, Ayten Kaba, Şafak Tavukçuođlu : Sperm recovery rate and testicular histology in absolute azoospermic patients with primary testicular failure. Intracytoplasmic Sperm Injection : Basic and Clinical Aspects, September 20-21, 1996, Thessaloniki, Greece.
39- Ahmet Z. Işık, Semra Kahraman, Kubilay Vicdan, Levent Alaybeyoğlu, Osman D.Özgün, Gurur Polat, Kutay Biberoğlu : Intravenous albumin combined with low dose human chorionic gonadotropin and late step-down administration of menotropins are found to be effective in prevention of severe ovarian hyperstimulation syndrome in a relatively large group of high risk patients in an in vitro fertilization program. 10th World Congress on In Vitro Fertilization, May 23-28, 1997,Vancouver, Canada.
40- Ahmet Z. Işık, Kubilay Vicdan, Ayten Kaba, Halime Gül Dağlı, Murat Uluğ, Aysun Çakal. Comparison of the effects of day 3 embriyo transfer with assisted hatching and blastocyst stage embryo transfer on pregnancy rate and implantation. 11th World Congress on In Vitro Fertilization and Human Reproductive Genetics, 9-14 May 1999, Sydney, Australia.
41- Ahmet Z. Işık, Kubilay Vicdan. No severe ovarian hyperstimulation syndrome: five years experience with combined approach in 185 high risk patients. 11th World Congress on In Vitro Fertilization and Human Reproductive Genetics, 9-14 May 1999, Sydney, Australia.
42- Kubilay Vicdan, Ahmet Z. Işık, Özlem Oğuz, Meryem Rezai, Nuri Danışman, Levent Alaybeyoğlu, Ömer Çobanoğlu. Luteal phase hormonal profile in the prediction of pregnancy and its outcome in assisted reproductive technologies. 11th World Congress on In Vitro Fertilization and Human Reproductive Genetics, 9-14 May 1999, Sydney, Australia.
43- Ahmet Zeki Işık, Kubilay Vicdan , Ayten Kaba, Halime Gül Dağlı,. Comparison of zona manipulated and zona intact blastocyst transfer : a prospective randomized trial. ART and Human Blastocyst, Serono Symposia, March 30- April 2, 2000, Danapoint, California, USA.
44- Correlation of pronuclear stage morphology with blastocyst development, quality and pregnancy outcome. Lale Delilbaşı, Ahmet Z. Işık, Kubilay Vicdan, Bağdagül Ayaş. 16th, Annual Meeting of the ESHRE – Bologna , Italy, 25 – 28 June, 2000.