[Diagnosis and treatment of children with congenital heart diseases in China].
Ning
S
S
D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D006330:Heart Defects, Congenital / Q000175:diagnosis* / Q000601:surgery; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D007223:Infant