title: Effects of photoperiod, cold acclimation and melatonin on the white rat.
mesh_terms: D000064:Acclimatization; D002001:Adipose Tissue, Brown / Q000502:physiology; D000818:Animals; D001481:Basal Metabolism; D001831:Body Temperature / Q000187:drug effects; D001833:Body Temperature Regulation / Q000187:drug effects; D003080:Cold Temperature; D008027:Light; D008297:Male; D008550:Melatonin / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology; D009929:Organ Size; D010870:Pineal Gland / Q000502:physiology; D051381:Rats
chemical_list: D008550:Melatonin; D009638:Norepinephrine