单项选择题
门脉高压症的病人行择期手术,为减少手术麻醉危险性,血红蛋白至少应达到()
A.60g/L
B.80g/L
C.100g/L
D.120g/L
E.140g/L
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单项选择题
A.60g/L
B.80g/L
C.100g/L
D.120g/L
E.140g/L
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