The innocent systolic murmur in children: a clinical study of its incidence and characteristics.
D035843:Biomedical Research; D002648:Child; D006337:Heart Murmurs; D006347:Heart Sounds; D006801:Humans; D015994:Incidence; D007223:Infant; D013599:Systole; D054160:Systolic Murmurs
HEART SOUNDS/in infancy and childhood