(来学网)重度贫血的血红蛋白范围是
  • A.
    (来学网)90~60g/L
  • B.
    (来学网)60~31g/L
  • C.
    (来学网)100~70g/L
  • D.
    (来学网)70~40g/L
  • E.
    (来学网)<30g/L
正确答案:
B