Triggering of ovulation-induction in human menopausal gonadotropin-stimulated cycles: comparison between intravenously administered gonadotropin-releasing hormone (100 and 500 micrograms), GnRH agonist (buserelin, 500 micrograms) and human chorionic gonadotropin (10, 000 IU). - Gerris,J.; De-Vits,A.; Joostens,M.; Van-Royen,E. (Hum Reprod, 1995)