单项选择题
A1/A2型题 一般病人术前血红蛋白大于多少方可手术()
A.6g/dl
B.8g/dl
C.10g/dl
D.12g/dl
E.14g/dl
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单项选择题
A.6g/dl
B.8g/dl
C.10g/dl
D.12g/dl
E.14g/dl
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