Cunningham, G R Inhibition of steroid 5 alpha-reductase with finasteride: sleep-related erections, potency, and libido in healthy men. [electronic resource] - The Journal of clinical endocrinology and metabolism Jun 1995 - 1934-40 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0021-972X Standard No.: 10.1210/jcem.80.6.7775644 doi Subjects--Topical Terms: 5-alpha Reductase InhibitorsDihydrotestosterone--bloodDouble-Blind MethodFinasteride--pharmacologyHumansLibido--drug effectsMalePenile Erection--drug effectsPlacebosSleepTestosterone--blood