Development of heart block in the neonatal period.
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D002318:Cardiovascular Diseases; D002648:Child; D004194:Disease; D006321:Heart; D006327:Heart Block; D006330:Heart Defects, Congenital; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases
HEART/abnormalities; HEART/block--in infants and children; INFANTS, NEWBORN/diseases