The mortality rate of premature infants had close relation with gestational age, birth weight and sclerema neonatorum.
早产儿死
率与孕
、
密切相关，并发硬肿症者死率更高。
The mortality rate of premature infants had close relation with gestational age, birth weight and sclerema neonatorum.
早产儿死率与孕、密切相关，并发硬肿症者死率更高。
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