title: Erectile dysfunction: causes and treatment options.
authors.affiliation: Bristol Royal Infirmary.
authors.forename: W
authors.initials: W
authors.lastname: Hurn
mesh_terms: D007172:Erectile Dysfunction / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy*; D006801:Humans; D008297:Male; D012307:Risk Factors