题目内容
关于巨球蛋白血症的叙述,正确的是( )
2021-10-08
A.分泌IgG的浆细胞恶性増殖
B.血中M蛋白大量出现
C..分泌IgM的浆细胞恶性增殖
D.血清中低水平IgG
E.血清相对黏度降低
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