title: [Analysis of the systolic time intervals of 519 normal children (author's transl)].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002302:Cardiac Output; D002648:Child; D002675:Child, Preschool; D005260:Female; D006339:Heart Rate; D006801:Humans; D007223:Infant; D008297:Male; D009200:Myocardial Contraction; D013599:Systole