title: Effectiveness of oral verapamil in controlling ventricular rate in patients with chronic atrial fibrillation receiving digoxin.
mesh_terms: D000293:Adolescent; D000328:Adult; D001281:Atrial Fibrillation / Q000188:drug therapy*; D002908:Chronic Disease; D004077:Digoxin / Q000627:therapeutic use*; D004359:Drug Therapy, Combination; D005260:Female; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D004077:Digoxin; D014700:Verapamil