title: Propranolol and procainamide in the treatment of ventricular tachycardia.
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D011342:Procainamide / Q000008:administration & dosage*; D011433:Propranolol / Q000008:administration & dosage*; D013614:Tachycardia, Paroxysmal / Q000188:drug therapy*
chemical_list: D011433:Propranolol; D011342:Procainamide