(来学网)我国异常血红蛋白病的发生率约为
  • A.
    (来学网)0.26%
  • B.
    (来学网)0.29%
  • C.
    (来学网)0.27%
  • D.
    (来学网)0.28%
  • E.
    (来学网)0.30%