Acquisition of CagA and CTB genes:By in situ polymerase chain reaction (PCR) method, CagA was amplified from Hp chromosomal DNA and CTB from Vibrio cholerae.是什么意思_Acquisition of CagA and CTB genes:By in situ polymerase chain reaction (PCR) method, CagA was amplified from Hp chromosomal DNA and CTB from Vibrio cholerae.在线翻译_英语_读音_用法_例句