Methods: a VacA(+) and CagA(+) international standard H. pylori line NCTC11637 and a human gastric epithelial carcinoma cell line BGC 823 were used.是什么意思_Methods: a VacA(+) and CagA(+) international standard H. pylori line NCTC11637 and a human gastric epithelial carcinoma cell line BGC 823 were used.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句