title: Sr action potentials in cardiac Purkynĕ fibres. I. Evidence for a regenerative increase in Sr conductance.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002417:Cattle; D004553:Electric Conductivity; D004594:Electrophysiology / Q000187:drug effects; D004837:Epinephrine / Q000494:pharmacology; D006329:Heart Conduction System / Q000502:physiology*; D008564:Membrane Potentials; D011188:Potassium / Q000494:pharmacology; D012964:Sodium / Q000502:physiology; D013324:Strontium / Q000502:physiology*; D013779:Tetrodotoxin / Q000494:pharmacology
chemical_list: D013779:Tetrodotoxin; D012964:Sodium; D011188:Potassium; D004837:Epinephrine; D013324:Strontium