相关考题
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单项选择题
妊娠期妇女血容量比妊娠前约增加()
A.5%~10%
B.12%~15%
C.20%~25%
D.28%~30%
E.35%~40%
A.5%~10%
B.12%~15%
C.20%~25%
D.28%~30%
E.35%~40%
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