title: Hypothalamo-hypophyseal sensitivity to hormones in the hen. I. Plasma concentrations of LH, progesterone, and testosterone in response to central injections of progesterone and R5020.
mesh_terms: D000818:Animals; D002645:Chickens; D004305:Dose-Response Relationship, Drug; D005260:Female; D007030:Hypothalamo-Hypophyseal System / Q000187:drug effects; D007276:Injections, Intraventricular; D007700:Kinetics; D007986:Luteinizing Hormone / Q000097:blood*; D009649:Norpregnadienes / Q000494:pharmacology*; D010062:Ovulation Induction; D011374:Progesterone / Q000097:blood / Q000494:pharmacology*; D011397:Promegestone / Q000494:pharmacology*; D013739:Testosterone / Q000097:blood*
chemical_list: D009649:Norpregnadienes; D013739:Testosterone; D011374:Progesterone; D007986:Luteinizing Hormone; D011397:Promegestone