title: Barbiturate anesthesia blocks the positive feedback effect of progesterone, but not of estrogen, on luteinizing hormone release in ovariectomized guinea pigs.
mesh_terms: D000818:Animals; D002369:Castration; D004958:Estradiol / Q000494:pharmacology*; D005246:Feedback; D005260:Female; D006168:Guinea Pigs; D007700:Kinetics; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D010424:Pentobarbital / Q000494:pharmacology*; D011374:Progesterone / Q000494:pharmacology*; D012890:Sleep
chemical_list: D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone; D010424:Pentobarbital