title: Immunological aspects of chronic heart block: a review.
mesh_terms: D001327:Autoimmune Diseases / Q000150:complications; D002036:Bundle of His / Q000166:cytology / Q000276:immunology; D009202:Cardiomyopathies / Q000209:etiology; D014355:Chagas Disease / Q000150:complications / Q000276:immunology; D002908:Chronic Disease; D005455:Fluorescent Antibody Technique; D006327:Heart Block / Q000209:etiology / Q000276:immunology* / Q000473:pathology; D006801:Humans; D007111:Immunity, Cellular; D011690:Purkinje Fibers / Q000166:cytology / Q000201:enzymology / Q000276:immunology