[Proceedings: Use of a heart valve prosthesis in a child with mitral valve insufficiency associated with mucinous degeneration].
D002675:Child, Preschool; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000473:pathology / Q000601:surgery; D008944:Mitral Valve Insufficiency / Q000473:pathology / Q000601:surgery*