articleTop 10% cited
Diurnal rhythms of serum total, free and bioavailable testosterone and of SHBG in middle‐aged men compared with those in young men
Clinical Endocrinology · 2003 · Vol. 58(6) · pp. 710–717
Michael J. Diver✉(Royal Liverpool University Hospital)Komal Imtiaz(University of Liverpool)Aftab Ahmad(Royal Liverpool University Hospital)Jiten Vora(Royal Liverpool University Hospital)William D. Fraser
Abstract
The study suggests that the diurnal rhythm in these indices of androgen status is maintained in fit, healthy men into the 7th decade of life.
Hormonal and reproductive studiesHypothalamic control of reproductive hormonesOvarian function and disordersTestosterone (patch)EndocrinologyCircadian rhythmInternal medicineMorningSex hormone-binding globulinBioavailabilityRhythmSignificant differenceMedicine
MeSH terms
AdultAgingBiological AvailabilityCircadian RhythmHumansMaleMiddle AgedSex Hormone-Binding GlobulinTestosteroneLeast-Squares Analysis
Citations
338
FWCI
5.55
field-weighted impact
References
78
Percentile
97%
vs. same field & year
Citations per year
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References
Age, Disease, and Changing Sex Hormone Levels in Middle-Aged Men: Results of the Massachusetts Male Aging Study*
The Journal of Clinical Endocrinology & Metabolism · 1991 · 1,125 citations
A Critical Evaluation of Simple Methods for the Estimation of Free Testosterone in Serum
The Journal of Clinical Endocrinology & Metabolism · 1999 · 3,683 citations
Longitudinal changes in testosterone, luteinizing hormone, and follicle-stimulating hormone in healthy older men
Metabolism · 1997 · 832 citations
Longitudinal Effects of Aging on Serum Total and Free Testosterone Levels in Healthy Men
The Journal of Clinical Endocrinology & Metabolism · 2001 · 2,668 citations
Impotence and Its Medical and Psychosocial Correlates: Results of the Massachusetts Male Aging Study
The Journal of Urology · 1994 · 5,068 citations
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