title: Course of pulmonary hypertension following surgical closure of ventricular septal defect.
mesh_terms: D000367:Age Factors; D000403:Airway Resistance; D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures / Q000009:adverse effects*; D002648:Child; D002675:Child, Preschool; D005500:Follow-Up Studies; D006345:Heart Septal Defects, Ventricular / Q000401:mortality / Q000601:surgery*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D007223:Infant; D012119:Respiration