title: Evaluation of erectile impotence.
mesh_terms: D007172:Erectile Dysfunction / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D008297:Male; D008487:Medical History Taking; D008875:Middle Aged; D010208:Papaverine; D010410:Penile Erection; D010413:Penis / Q000098:blood supply / Q000294:innervation; D010808:Physical Examination; D011581:Psychological Tests; D012890:Sleep / Q000502:physiology; D014463:Ultrasonography
chemical_list: D010208:Papaverine