title: The estrogen-induced advance in the cyclic LH surge in the rat: dependency on ovarian progesterone secretion.
mesh_terms: D000818:Animals; D002369:Castration; D004958:Estradiol / Q000494:pharmacology*; D004971:Estrus; D005246:Feedback; D005260:Female; D007986:Luteinizing Hormone / Q000097:blood*; D010053:Ovary / Q000378:metabolism / Q000502:physiology; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism / Q000494:pharmacology*; D051381:Rats; D013997:Time Factors
chemical_list: D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone