题目内容
总补体溶血活性实验（CH50）检测的是
2021-12-31
A.补体经典途径的溶血活性
B.补体替代的溶血活性
C.补体C3的溶血活性
D.补体C4的溶血活性
E.补体C3及C4的溶血活性
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