Adaptation to cold in three hours.
D000064:Acclimatization; D000818:Animals; D001831:Body Temperature; D003080:Cold Temperature; D005627:Frostbite; D008297:Male; D009638:Norepinephrine / Q000494:pharmacology; D010101:Oxygen Consumption; D051381:Rats; D012007:Rectum; D013534:Survival
D009638:Norepinephrine