Suppression of a pituitary-ovarian axis by chronic oral administration of a novel nonpeptide gonadotropin-releasing hormone antagonist, TAK‐013, in cynomolgus monkeys. - Hara,T.; Araki,H.; Kusaka,M.; Harada,M.; Cho,N.; Suzuki,N.; Furaya,S.; Fujino,M. (J Clin Endocrinol Metab, 2003)