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The clinical studies consist of 224 cases which were admitted to the Department of Pediatrics of Dongsan Presbyterian Hospital between April, 1964 and June, 1974. The results were: 1. Male to female ratio was 2.5 : 1.
2.In age incidence, 90% of patients were under 2 years of age. The peak incidence(78.1%) occurred between 3 months and 12 months of age. 3.In... |
