Taweesak Tongtawee, et al. “Toll-Like Receptor 2 and 4 Polymorphisms Associated With Helicobacter Pylori Susceptibility and Gastric Cancer”. Turkish Journal of Gastroenterology, vol. 30, no. 1, July 2019, pp. 15-20, https://tjg.avesjournals.com/index.php/tjg/article/view/3626.