(来学网)当肾病患者的血浆尿素氮和肌酐开始升高时,内生肌酐清除率至少降低
  • A.
    (来学网)10%
  • B.
    (来学网)50%
  • C.
    (来学网)30%
  • D.
    (来学网)40%
  • E.
    (来学网)20%