title: Influence of age on the release of luteinizing hormone induced by oestrogen and progesterone in immature rats.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D002369:Castration; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology*; D005246:Feedback; D005260:Female; D007279:Injections, Subcutaneous; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D010053:Ovary / Q000502:physiology; D011374:Progesterone / Q000494:pharmacology*; D011863:Radioimmunoassay; D051381:Rats; D012636:Secretory Rate / Q000187:drug effects
chemical_list: D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone