Summary
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.
References
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Acknowledgment. The authors thank sincerely Dr. T. Oishi for his critical reading of the manuscript.
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Maruta, N., Natsume, K., Tokura, H. et al. Seasonal changes of circadian pattern in human rectal temperature rhythm under semi-natural conditions. Experientia 43, 294–296 (1987). https://doi.org/10.1007/BF01945555
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DOI: https://doi.org/10.1007/BF01945555