title: Radioimmunoassayable melatonin in various species [proceedings].
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D008550:Melatonin / Q000097:blood*; D011863:Radioimmunoassay; D051381:Rats; D012756:Sheep; D013045:Species Specificity
chemical_list: D008550:Melatonin