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. 1983 Jun;58(6):454–456. doi: 10.1136/adc.58.6.454

Age of appearance of circadian rhythm in salivary cortisol values in infancy.

D A Price, G C Close, B A Fielding
PMCID: PMC1628010  PMID: 6859940

Abstract

Samples of saliva (4 in 24 hours), collected at monthly intervals for the first 6 months of life in 8 term infants by their mothers, were analysed for cortisol by radioimmunoassay. Values in the first month were more variable, daily mean values were greater, and amplitudes of variation were greater than in subsequent months. The circadian rhythm appeared by the third month.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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