题目内容
铅中毒时骨髓象中红系细胞变化可见( )
2021-10-01
A.以原始红细胞印早幼红细胞增多为主
B.以中幼红细胞和晚幼红细胞增多为主
C.巨幼红细胞或巨幼样变增多
D.铁粒幼红细胞增多
E.破碎红细胞增多
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