单项选择题
A.90g/L B.100g/L C.110g/L D.120g/L E.130g/L
A.2~3个月 B.4~6个月 C.6个月~2岁 D.3~6岁 E.6~12岁
A.生理性贫血 B.溶血性贫血 C.营养性缺铁性贫血 D.营养性巨幼红细胞性贫血 E.再生障碍性贫血
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