title: [Atrial fibrillation and extrasystole in the elderly].
mesh_terms: D000368:Aged; D000889:Anti-Arrhythmia Agents / Q000008:administration & dosage; D001281:Atrial Fibrillation / Q000175:diagnosis* / Q000188:drug therapy; D005117:Cardiac Complexes, Premature / Q000175:diagnosis* / Q000188:drug therapy; D004359:Drug Therapy, Combination; D006801:Humans; D008875:Middle Aged
chemical_list: D000889:Anti-Arrhythmia Agents
vernacular_title: Mertsatel'naia aritmiia i ekstrasistoliia u bol'nykh pozhilogo vozrasta.