Determination of Genes vacA and cagA in Helicobacter pylori and their Relationship with the Induction of Coccoid Forms in Isolates from Patients in Antioquia, Colombia

哥伦比亚安蒂奥基亚省患者分离株中幽门螺杆菌vacA和cagA基因的鉴定及其与球菌形态诱导的关系