免疫球蛋白M(IgM)的正常值为A.30~400mg/dl B.20~300mg/dl C.60~200mg/dl D.50~300mg/dl E.20~500

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问题 免疫球蛋白M(IgM)的正常值为

选项 A.30~400mg/dl
B.20~300mg/dl
C.60~200mg/dl
D.50~300mg/dl
E.20~500mg/dl

答案C

解析
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