Chronic administration of the luteinizing hormone-releasing hormone (LHRH) antagonist cetrorelix decreases gonadotrope responsiveness and pituitary LHRH receptor messenger ribonucleic acid levels in rats. - Pinski,J.; Lamharzi,N.; Halmos,G.; Groot,K.; Jungwirth,A.; Vadillo-Buenfil,M.; Kakar,S.S.; Schally,A.V. (Endocrinology, 1996)