title: Erectile dysfunction: diagnosis and treatment.
authors.forename: G
authors.initials: G
authors.lastname: Williams
mesh_terms: D007172:Erectile Dysfunction / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy; D006801:Humans; D008297:Male; D010410:Penile Erection; D010413:Penis / Q000503:physiopathology*