Seasonal changes of circadian pattern in human rectal temperature rhythm under semi-natural conditions.
A phase delay of the circadian rectal temperature rhythm existed in three human subjects leading normal lives under semi-natural conditions: the rectal temperature began to increase later in summer than in the other three seasons.
D000328:Adult; D001831:Body Temperature; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012007:Rectum; D012621:Seasons