单项选择题
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
A.4~6天,4~6个月 B.4~6周,4~6岁 C.4~6天,4~6岁 D.4~6个月,4~6岁 E.4~6周,7~8岁
A.90~110g/L B.110~130g/L C.130~150g/L D.150~220g/L E.230~260g/L
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