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A clinical statistical observation was made on 177 cases: of premature infants and 92 cases of
low birth weight infants during January I, 1968 to July, 1973.
The results wereas follows;
1. Incidence of prematurity was 4.1% and low birth weight infants was 2.1%.
2. The sexual incidence was more higher in boys than in girls. (1.7 : 1)
3. Monthly incidence was more higherjin summer... |