title: [Valvuloplasty of calcified pulmonary valve heterografts in children. Apropos of 3 cases].
mesh_terms: D000800:Angioplasty, Balloon / Q000379:methods*; D001705:Bioprosthesis; D002114:Calcinosis / Q000150:complications; D002648:Child; D002675:Child, Preschool; D005260:Female; D006330:Heart Defects, Congenital / Q000601:surgery; D006350:Heart Valve Prosthesis; D006801:Humans; D007223:Infant; D008297:Male; D011664:Pulmonary Valve; D011666:Pulmonary Valve Stenosis / Q000628:therapy*
vernacular_title: Valvuloplastie des hétérogreffes valvulaires pulmonaires calcifiées chez l'enfant. A propos de trois cas.