CDC的測試準確率有問題，怎麽保證labcorp的準確率？哪個機構確保準確率？FDA還是CDC？

來源: Gbdjw 於 2020-03-11 08:15:36 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.