title: Recording of His and left bundle potentials during left coronary arteriography in dog.
mesh_terms: D000818:Animals; D017023:Coronary Angiography; D003331:Coronary Vessels / Q000187:drug effects; D003973:Diatrizoate / Q000494:pharmacology*; D004285:Dogs; D004562:Electrocardiography; D004594:Electrophysiology; D006329:Heart Conduction System / Q000502:physiology*
chemical_list: D003973:Diatrizoate