单项选择题
A.大细胞性贫血 B.正常细胞性贫血 C.单纯小细胞性贫血 D.小细胞低色素性贫血 E.小细胞高色素性贫血
A.17~34pg B.27~34pg C.25~30pg D.17~30pg E.30~34pg
A.180~250g/L B.250~360g/L C.180~320g/L D.320~360g/L E.250~320g/L