[Determination of time relations during the phase of systole in children].
A A
AA
GALSTIAN
D002648:Child; D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006801:Humans; D007223:Infant; D010701:Phonocardiography; D012214:Rheumatic Heart Disease; D013599:Systole
ELECTROCARDIOGRAPHY/in infancy and childhood; HEART DEFECTS, CONGENITAL; PHONOCARDIOGRAPHY/in infancy and childhood; RHEUMATIC HEART DISEASE