(来学网)血液系统疾病实行保护性隔离,外周血白细胞为
  • A.
    (来学网)4×109/L
  • B.
    (来学网)3×109/L
  • C.
    (来学网)2×109/L
  • D.
    (来学网)1×109/L
  • E.
    (来学网)0.5×109/L