The luteal phase of nonsupplemented cycles after ovarian superovulation with human menopausal gonadotropin and the gonadotropin-releasing hormone antagonist Cetrorelix. - Albano,C.; Grimbizis,G.; Smitz,J.; Riethmuller-Winzen,H.; Reissmann,T.; Van Steirteghem,A.; Devroey,P. (Fertil Steril, 1998)