Impotence.
D004542:Ejaculation; D007172:Erectile Dysfunction / Q000503:physiopathology / Q000523:psychology / Q000628:therapy; D006801:Humans; D007031:Hypothalamus / Q000502:physiology; D007989:Libido / Q000502:physiology; D008297:Male; D009948:Orgasm / Q000502:physiology; D010413:Penis / Q000098:blood supply / Q000502:physiology; D019736:Prostheses and Implants; D012039:Regional Blood Flow; D012742:Sex Offenses; D012725:Sexual Behavior / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology; D013739:Testosterone / Q000502:physiology / Q000627:therapeutic use
D013739:Testosterone