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Two dimensional echocardiography was performed on 36 cases of ventricular septal defect and 29 of patent ductus arteriosus in children under 15 years old who were visited to the pediatric and chest surgery department of Busan national university hospital from January 1982 to March 1983. These were observed on clinical features, chest X-ray findings, electrocardiographic findings and echocardiographic datas were... |
