The combination of gonadotrophin-releasing hormone (GnRH) antagonist and pulsatile GnRH normalizes luteinizing hormone secretion in polycystic ovarian disease but fails to induce follicular maturation - Dubourdieu,S.; Le Nestour,E.; Spitz,I.M.; Charbonnel,B.; Bouchard,P. (Hum Reprod, 1993)