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极低出生体重儿的坏死性小肠结肠炎作者比较了匹兹堡儿童医院接受过手术的二组坏死性小肠结肠炎（ＮＥＣ）患儿：①极低出生体重儿（ＥＬＢＷ）组（体重＜１０００ｇ及（或）胎龄≤２０周）５０例，胎龄平均２６周，出生体重平均８３０ｇ。②早产儿组（胎龄２９～３６周）...
Necrotizing enterocolitis in very low birth weight children The authors compared two groups of children with necrotizing enterocolitis (NEC) who underwent surgery at Children’s Hospital Pittsburgh: ① Very low birth weight (ELBW) group (body weight <1000 g and Or) gestational age ≤ 20 weeks) 50 cases, gestational age average 26 weeks, birth weight average 830g. ② premature infants group (gestational age 29 to 36 weeks) ...