title: Clinical study of complete heart block.
mesh_terms: D000219:Adams-Stokes Syndrome / Q000209:etiology / Q000401:mortality; D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003327:Coronary Disease / Q000150:complications; D004165:Diphtheria / Q000150:complications; D005260:Female; D006327:Heart Block / Q000151:congenital / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged