title: Preovulatory levels of luteinizing hormone, the critical period and ovulation in rats.
mesh_terms: D000818:Animals; D004971:Estrus; D005260:Female; D006321:Heart; D007016:Hypophysectomy; D007986:Luteinizing Hormone / Q000097:blood*; D010060:Ovulation / Q000187:drug effects; D010424:Pentobarbital / Q000494:pharmacology; D011247:Pregnancy; D011677:Punctures; D011863:Radioimmunoassay; D051381:Rats
chemical_list: D007986:Luteinizing Hormone; D010424:Pentobarbital