title: Letter: Nicotinic acid and myocardial action potential.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D002415:Cats; D002417:Cattle; D006321:Heart / Q000502:physiology*; D009200:Myocardial Contraction / Q000187:drug effects*; D009539:Nicotinic Acids / Q000494:pharmacology*
chemical_list: D009539:Nicotinic Acids