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According to new definition of prematurity and low birth weight infant on gestational age and birth weight, various statictical assessments are made for 5,168 newborns who had been delivered at Seoul National University Hospital during the last 5 years from Jan., 1, 1956 to Dec., 31,1969. The results obtained are as follows; 1.Incidence of prematurity on gestational age less than... |