Ritdet, Nantapong, Panadda Rojpibulstit, and Sasichai Kangsadalampai. 2021. “Expression of Helicobacter Pylori Virulence Genes under Atmospheric Condition”. Science & Technology Asia 26 (2):210-19. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/240162.