Erectile impotence: objective diagnosis from sleep-related erections (nocturnal penile tumescence)
D003937:Diagnosis, Differential; D007172:Erectile Dysfunction / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D008297:Male; D010413:Penis / Q000502:physiology* / Q000503:physiopathology; D011602:Psychophysiologic Disorders / Q000175:diagnosis; D012890:Sleep / Q000502:physiology*