Atrial fibrillation in the Wolff-Parkinson-White syndrome: effects of verapamil and procainamide.
D001281:Atrial Fibrillation / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D011342:Procainamide / Q000627:therapeutic use*; D014700:Verapamil / Q000009:adverse effects* / Q000627:therapeutic use; D014927:Wolff-Parkinson-White Syndrome / Q000188:drug therapy*
D014700:Verapamil; D011342:Procainamide