title: Impotence.
authors.forename: I
authors.initials: I
authors.lastname: Goldstein
mesh_terms: D000527:Alprostadil / Q000627:therapeutic use*; D001783:Blood Flow Velocity; D007172:Erectile Dysfunction / Q000000981:diagnostic imaging* / Q000188:drug therapy* / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D008297:Male; D010410:Penile Erection; D014463:Ultrasonography
chemical_list: D000527:Alprostadil