title: Some antigonadotrophic effects of melatonin-free bovine pineal extracts in rats.
mesh_terms: D000818:Animals; D002369:Castration; D002417:Cattle; D002850:Chromatography, Gel; D003864:Depression, Chemical; D004971:Estrus / Q000187:drug effects; D005260:Female; D006984:Hypertrophy; D007986:Luteinizing Hormone / Q000037:antagonists & inhibitors* / Q000097:blood; D008297:Male; D008550:Melatonin; D009929:Organ Size; D010053:Ovary / Q000033:anatomy & histology / Q000187:drug effects; D010870:Pineal Gland; D011247:Pregnancy; D011863:Radioimmunoassay; D051381:Rats; D013997:Time Factors; D014020:Tissue Extracts / Q000494:pharmacology*; D014462:Ultrafiltration; D014621:Vagina / Q000187:drug effects; D014626:Vaginal Smears
chemical_list: D014020:Tissue Extracts; D007986:Luteinizing Hormone; D008550:Melatonin