title: Practical approach to male hypogonadism.
mesh_terms: D000328:Adult; D007172:Erectile Dysfunction / Q000209:etiology; D006801:Humans; D007006:Hypogonadism / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy; D007030:Hypothalamo-Hypophyseal System / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D013737:Testis / Q000503:physiopathology; D013739:Testosterone / Q000627:therapeutic use
chemical_list: D013739:Testosterone