Bremner et al. (1983) "Loss of circadian rhythmicity in blood testosterone levels with aging in normal men." J. Clin. Endocrinol. Metab. 56(6):1278-1281 (PubMed) (1 entries)

Changes associated with this reference

Identifier	Name	Type	Tissues	Organism	Gene	Data	Actions
DAA1180	Morning concentrations of testosterone decline	Physiological	plasma	Human	—	80.0% Decrease Hormone Level