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Xu, Can, Zhao-Shen Li, Zhen-Xing Tu, Guo-Ming Xu, Yan-Fang Gong, and Xiao-Hua Man. "Distribution of CagG Gene in Helicobacter Pylori Isolates From Chinese Patients With Different Gastroduodenal Diseases and Its Clinical and Pathological Significance." World J Gastroenterol 2003.

Xu, Can, et al. "Distribution of CagG Gene in Helicobacter Pylori Isolates From Chinese Patients With Different Gastroduodenal Diseases and Its Clinical and Pathological Significance." World J Gastroenterol 2003.