共 14 条
[2]
DUDUBOIS, 1916, ARCH INTERN MED, V17, P863
[8]
CLINICAL APPLICATIONS OF ECHOCARDIOGRAPHY IN INFANTS AND CHILDREN .1. INVESTIGATION OF INFANTS AND CHILDREN WITHOUT HEART-DISEASE
[J].
ACTA PAEDIATRICA SCANDINAVICA,
1974, 63 (01)
:23-32
[9]
NIE NH, 1975, STATISTICAL PACKAGE, P320