title: Impotence in patient on disopyramide.
mesh_terms: D001281:Atrial Fibrillation / Q000188:drug therapy; D004206:Disopyramide / Q000009:adverse effects* / Q000627:therapeutic use; D007172:Erectile Dysfunction / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011725:Pyridines / Q000009:adverse effects*
chemical_list: D011725:Pyridines; D004206:Disopyramide