In a carefully conducted, outstanding example of clinical research, Finkelstein et al. clearly demonstrate the physiological underpinnings for the action of testosterone and the relative roles of its androgenic and estrogenic effects on body composition and sexual function. This study has important clinical implications for testosterone replacement therapy of male hypogonadism.
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The author declares associations with the following companies: AbbVie (research support), Eli Lilly (consultant), Forendo, GSK (research support), GTx (consultant).
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Matsumoto, A. Estrogens—not just female hormones. Nat Rev Endocrinol 9, 693–694 (2013). https://doi.org/10.1038/nrendo.2013.211
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DOI: https://doi.org/10.1038/nrendo.2013.211