title: [Follow-up studies of 2-staged surgery for ventricular septal defect associated with severe pulmonary hypertension].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005500:Follow-Up Studies; D006345:Heart Septal Defects, Ventricular / Q000150:complications / Q000601:surgery*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications*; D007223:Infant; D008722:Methods