... umbilical hernia with gangrene 释义：脐疝伴坏疽 knot umbilical cord 释义：脐带打结 single umbilical artery 释义：单脐动脉 ...
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true knot of umbilical cord 脐带真结
false knot of umbilical cord 脐带假结
true knot umbilical cord 脐带真结
false knot umbilical cord 脐带假结
knot of umbilical cord 脐带打结
knot of umbilical cord detail 脐带打结
·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective: to determine obstetrical risk factors and pregnancy outcome of fetuses with true knot of the umbilical cord.
目的：探讨脐带真结的危险因素及其妊娠结局。
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