Outer inflammatory protein of Helicobacter pylori impacts IL-8 expression, adherence, cell apoptosis and cell cycle of gastric cells independent of its copy number - Qiaoyun Zhao; Wenzhu Yin; Rulin Zhao; Youhua Wang; Conghua Song; Huan Wang; Jianfang Rong; Fangfei Wang; Yong Xie (Medical Microbiology and Immunology, 2020)