[Electrocardiographic abnormality detected during health examination in school children].
Sakamoto
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Division of Cardiology, Hanzomon Hospital, Koji-Machi 1-10, Chiyoda-ku, Tokyo 101-0083.
D002648:Child; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008133:Long QT Syndrome / Q000175:diagnosis*; D010808:Physical Examination; D012574:Schools