title: A histological study of the conduction system in complete heart block.
mesh_terms: D002037:Bundle-Branch Block / Q000473:pathology; D017023:Coronary Angiography; D006327:Heart Block / Q000209:etiology / Q000473:pathology*; D006329:Heart Conduction System / Q000473:pathology*; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications