题目内容
对于心肺功能良好的外科患者,输注红细 胞的指征是
2022-03-14
A.血红蛋白低于70g/L
B.血红蛋白低于80g/L
C.血红蛋白低于90g/L
D.血红蛋白低于100g/L
E.血红蛋白低于110g/L
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