The bioactivity of IL 6 in culture supernatants of COS 7 cell transiently transfected by the new vectors was detected with IL 6 dependent cell line 7TD1 by MTT method.是什么意思_The bioactivity of IL 6 in culture supernatants of COS 7 cell transiently transfected by the new vectors was detected with IL 6 dependent cell line 7TD1 by MTT method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句