(来学网)门静脉高压病人为减少手术麻醉危险性,术前血红蛋白应达到
  • A.
    (来学网)60g/L
  • B.
    (来学网)80g/L
  • C.
    (来学网)90g/L
  • D.
    (来学网)100g/L
  • E.
    (来学网)120g/L