Tentative title: A systematic overview of studies on ...

of Disorders (ICD-10), includes 'distress' as a diagnostic criterion for all sexual disorders. ... low testosterone levels may be a consequence rather than a cause of the erection problems (Buvat et al., 2013). Also, as androgen replacement is effective in restoring sexual function in young but not older hypogonadal men, aging may be associated ... ................
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