32 citations
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May 1987 in “The Journal of Clinical Endocrinology & Metabolism” This study found that salivary testosterone concentrations correlated better with hirsutism in women compared to serum testosterone measures, suggesting it may be an effective method for assessing bioavailable testosterone.
29 citations
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September 1983 in “British Journal of Dermatology” This study found that men with androgenetic alopecia had significantly lower levels of sex hormone binding globulin and higher salivary testosterone compared to controls, while plasma testosterone levels did not differ.
September 2006 in “Data Archiving and Networked Services (DANS)” This article discusses the testosterone and estradiol levels in men, examining their roles and suggesting the need for better understanding to differentiate between normal and abnormal levels related to androgen deficiency symptoms, without reporting new clinical results.
1 citations
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January 2023 in “International journal of urology” In this study, researchers observed that lower serum zinc concentrations were associated with decreased serum testosterone levels, but no link was found with sexual function questionnaire scores.
5 citations
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April 2021 in “Journal of Endocrinological Investigation” This study concluded that among men with normal testosterone levels, a small increase in serum dihydrotestosterone may reduce symptoms of hypogonadism, suggesting its potential diagnostic use after ruling out hypogonadism.