title: Racemic propranolol and the cardiac action potential.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D004285:Dogs; D006321:Heart / Q000187:drug effects*; D006801:Humans; D011433:Propranolol / Q000494:pharmacology*
chemical_list: D011433:Propranolol