(来学网)造成脑电图缺血改变的脑血流阈值是
  • A.
    (来学网)6ml/100g/min
  • B.
    (来学网)15ml/100g/min
  • C.
    (来学网)22ml/100g/min
  • D.
    (来学网)31ml/100g/min
  • E.
    (来学网)40ml/100g/min