[Artificial valve transplantation in children under ten years old].
D002648:Child; D002675:Child, Preschool; D005260:Female; D006330:Heart Defects, Congenital / Q000601:surgery*; D006349:Heart Valve Diseases / Q000601:surgery; D006350:Heart Valve Prosthesis; D006351:Heart Valves / Q000601:surgery*; D006801:Humans; D008297:Male; D008722:Methods; D011379:Prognosis