[Characteristics by age of the electrocardiograms of healthy children (1843 cases from 1 hour after birth to 17 years of age)].
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male