title: [Problems in studying mechanisms of action of antiarrhythmic drugs (author's transl)].
mesh_terms: D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D001145:Arrhythmias, Cardiac / Q000139:chemically induced / Q000188:drug therapy / Q000209:etiology*; D004285:Dogs; D006801:Humans
chemical_list: D000889:Anti-Arrhythmia Agents