Variables affecting splitting of the second heart sound in normal children.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001827:Body Height; D001835:Body Weight; D002648:Child; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D010701:Phonocardiography; D011187:Posture; D012119:Respiration; D012737:Sex Factors