title: Pharmacologic injection therapy.
mesh_terms: D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D007267:Injections; D008297:Male; D010208:Papaverine / Q000008:administration & dosage / Q000627:therapeutic use*; D010410:Penile Erection / Q000187:drug effects; D010646:Phentolamine / Q000008:administration & dosage / Q000627:therapeutic use*; D012646:Self Administration
chemical_list: D010208:Papaverine; D010646:Phentolamine