Changing physiological relationships in men under acute cold stress.
D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001831:Body Temperature; D001833:Body Temperature Regulation; D003080:Cold Temperature; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D012007:Rectum; D012881:Skin Temperature; D013997:Time Factors