The mortality rate of premature infants had close relation with gestational age, birth weight and sclerema neonatorum.
早产儿
与孕周、体重密切相关，并发硬肿
。
The mortality rate of premature infants had close relation with gestational age, birth weight and sclerema neonatorum.
早产儿与孕周、体重密切相关，并发硬肿。
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