title: [Selective depressant effects of procainamide on the depolarized cells (author's transl)].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D003864:Depression, Chemical; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D011188:Potassium / Q000494:pharmacology; D011342:Procainamide / Q000494:pharmacology*
chemical_list: D011342:Procainamide; D011188:Potassium