title: Proceedings: The effect of extracellular K on the Ca action potential in the heart.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002118:Calcium / Q000502:physiology*; D002415:Cats; D009994:Osmolar Concentration; D010210:Papillary Muscles / Q000502:physiology*; D011188:Potassium / Q000494:pharmacology*
chemical_list: D011188:Potassium; D002118:Calcium