Khan I, Staessen C, Van den Abbeel E, Camus M, Wisanto A, Smitz J, Devroey P, Van Steirteghem AC (1989) Time of insemination and its effect on in-vitro fertilization, cleavage and pregnancy rates in GnRH agonist/HMG-stimulated cycles. Hum Reprod 4, 921-921.

Palermo G, Devroey P, Camus M, Khan I, Wisanto A, Van Steirteghem AC (1989) Assisted procreation in the presence of a positive direct mixed antiglobulin reaction test. Fertil Steril 52, 645-641.

Brewaeys A, Olbrechts H, Devroey P, Van Steirteghem AC (1989) Counselling and selection of homosexual couples in fertility treatment. Hum Reprod 4, 850-851.

Wisanto A, Bollen N, Camus M, De Grauwe E, Devroey P, Van Steirteghem AC (1989) Effect of transuterine puncture during transvaginal oocyte retrieval on the results of human in-vitro fertilization. Hum Reprod 4, 790-791.

Devroey P, Camus M, van den Abbeel E, van Waesberghe L, Wisanto A, van Steirteghem AC (1989) Establishment of 22 pregnancies after oocyte and embryo donation. Br J Obstet Gynaecol 96, 900-901.

Hens L, Devroey P, Van Waesberghe L, Bonduelle M, Van Steirteghem AC, Liebaers I (1989) Chromosome studies and fertility treatment in women with ovarian failure. Clin Genet 36, 81-81.

Louis O, Devroey P, Kalender W, Osteaux M (1989) Bone loss in young hypoestrogenic women due to primary ovarian failure: spinal quantitative computed tomography. Fertil Steril 52, 227-221.

Devroey P, Staessen C, Camus M, De Grauwe E, Wisanto A, Van Steirteghem AC (1989) Zygote intrafallopian transfer as a successful treatment for unexplained infertility. Fertil Steril 52, 246-241.

Wisanto A, Janssens R, Deschacht J, Camus M, Devroey P, Van Steirteghem AC (1989) Performance of different embryo transfer catheters in a human in vitro fertilization program. Fertil Steril 52, 79-71.

Palermo G, Devroey P, Camus M, De Grauwe E, Khan I, Staessen C, Wisanto A, Van Steirteghem AC (1989) Zygote intra-fallopian transfer as an alternative treatment for male infertility. Hum Reprod 4, 412-411.

Devroey P, Palermo G, Bourgain C, Van Waesberghe L, Smitz J, Van Steirteghem AC (1989) Progesterone administration in patients with absent ovaries. Int J Fertil 34, 188-181.

Khan I, Devroey P, Van den Bergh M, Camus M, Wisanto A, Staessen C, Smitz J, Van Steirteghem A (1989) The effect of pneumoperitoneum gases on fertilization, cleavage and pregnancy in human in-vitro fertilization and gamete intra-fallopian transfer. Hum Reprod 4, 323-321.

Devroey P, Smitz J, Camus M, Wisanto A, Deschacht J, Van Waesberghe L, Van Steirteghem AC (1989) Synchronization of donor's and recipient's cycles with GnRH analogues in an oocyte donation programme. Hum Reprod 4, 270-271.

Camus M, Van den Abbeel E, Van Waesberghe L, Wisanto A, Devroey P, Van Steirteghem AC (1989) Human embryo viability after freezing with dimethylsulfoxide as a cryoprotectant. Fertil Steril 51, 460-461.

Staessen C, Camus M, Khan I, Smitz J, Van Waesberghe L, Wisanto A, Devroey P, Van Steirteghem AC (1989) An 18-month survey of infertility treatment by in vitro fertilization, gamete and zygote intrafallopian transfer, and replacement of frozen-thawed embryos. J In Vitro Fert Embryo Transf 6, 22-21.