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For 3 yearss from Jan. 1970 through Dec. 1972, there were 11,336 Korean single births who were delivered at Severance, Chonju Presbyterian and Wonju Christian Hospitalss. The perinatal mortality rates were calculated at fetal deaths of20 or more weeks gestation plus neonatal deaths under 28days after births. We made a comparative studies of perinatal mortality, neonatal mortality and fetal deaths... |