Lo studio
Studio 1 Testosterone Lab Testing and Initiation in the United Kingdom and the United States, 2000 to 2011 di Layton e colleghi per il Journal of Clinical Endocrinology & Metabolism del 2014.
Studio 2 Muscular responses to testosterone replacement vary by administration route: a systematic review and meta-analysis” di Skinner e colleghi per il Journal of Cachexia, Sarcopenia and Muscle del 2018
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