title: Blockade of the proestrous LH surge in cyclic rats by barbiturate administration on diestrus.
mesh_terms: D000818:Animals; D004971:Estrus / Q000187:drug effects; D005260:Female; D007274:Injections, Intraperitoneal; D007986:Luteinizing Hormone / Q000097:blood*; D010060:Ovulation / Q000187:drug effects*; D010424:Pentobarbital / Q000008:administration & dosage / Q000494:pharmacology*; D011247:Pregnancy; D051381:Rats; D013997:Time Factors
chemical_list: D007986:Luteinizing Hormone; D010424:Pentobarbital