title: A 15-minute light pulse during darkness prevents the antigonadotrophic action of afternoon melatonin injections in male hamsters.
mesh_terms: D000818:Animals; D006224:Cricetinae; D008027:Light; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D008550:Melatonin / Q000096:biosynthesis / Q000494:pharmacology*; D008647:Mesocricetus / Q000502:physiology; D010507:Periodicity; D010870:Pineal Gland / Q000187:drug effects / Q000502:physiology / Q000528:radiation effects*; D011388:Prolactin / Q000097:blood; D013737:Testis / Q000187:drug effects* / Q000254:growth & development
chemical_list: D011388:Prolactin; D007986:Luteinizing Hormone; D008550:Melatonin