title: [The ECG standard for Japanese children and its changes].
mesh_terms: D000293:Adolescent; D044466:Asian People; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography / Q000592:standards*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D008297:Male; D012016:Reference Values