title: Studies on a non-melatonin pineal anti-gonadotrophin.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002369:Castration; D002417:Cattle; D002845:Chromatography; D002850:Chromatography, Gel; D005260:Female; D005374:Filtration; D006062:Gonadotropins / Q000037:antagonists & inhibitors*; D008297:Male; D008550:Melatonin / Q000494:pharmacology; D009929:Organ Size; D010053:Ovary / Q000187:drug effects / Q000502:physiology; D010870:Pineal Gland / Q000032:analysis*; D051381:Rats; D014020:Tissue Extracts / Q000032:analysis / Q000302:isolation & purification / Q000494:pharmacology*
chemical_list: D006062:Gonadotropins; D014020:Tissue Extracts; D008550:Melatonin