title: Role of estrogens in spontaneous ovulation: evidence for the positive feedback in hamsters.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D002996:Clomiphene / Q000494:pharmacology; D006224:Cricetinae; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology / Q000502:physiology*; D004965:Estrogen Antagonists; D004971:Estrus; D005246:Feedback; D005260:Female; D005640:Follicle Stimulating Hormone / Q000494:pharmacology; D007536:Isomerism; D007986:Luteinizing Hormone / Q000494:pharmacology; D010060:Ovulation / Q000187:drug effects; D010906:Pituitary Hormone-Releasing Hormones / Q000494:pharmacology; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology; D012726:Sexual Behavior, Animal / Q000187:drug effects; D012756:Sheep
chemical_list: D006063:Chorionic Gonadotropin; D004965:Estrogen Antagonists; D010906:Pituitary Hormone-Releasing Hormones; D002996:Clomiphene; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone