A.42~77ng/dl
B.<42ng/dl
C.比自身值升高3倍以上
D.>100ng/dl
E.77~100ng/dl
[单选题]A.B.铁剂C.注射丙酸睾丸酮D.输血E.治疗原发病
[单选题]A.B.C.D.
[单选题]A.①②B.①④C.③D.①②③④
[单选题]A.成分输血B.用升血药物C.暂停化疗D.保护性隔离