单项选择题
根据WHO儿童贫血诊断标准,5岁小儿贫血是指血红蛋白低于()
A.130g/L
B.120g/L
C.110g/L
D.100g/L
E.90g/L
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单项选择题
A.130g/L
B.120g/L
C.110g/L
D.100g/L
E.90g/L
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