title: Inhibition effects on serum and pituitary LH by a melatonin-free extract of bovine pineal glands.
mesh_terms: D000818:Animals; D000906:Antibodies; D002369:Castration; D002417:Cattle; D002850:Chromatography, Gel; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D008297:Male; D008550:Melatonin; D010870:Pineal Gland; D010902:Pituitary Gland / Q000378:metabolism*; D011863:Radioimmunoassay; D051381:Rats; D013737:Testis / Q000502:physiology; D013997:Time Factors; D014020:Tissue Extracts / Q000494:pharmacology*; D014462:Ultrafiltration
chemical_list: D000906:Antibodies; D014020:Tissue Extracts; D007986:Luteinizing Hormone; D008550:Melatonin