“Levofloxacin-Based Sequential Therapy Versus Classic Triple Therapy in Helicobacter Pylori Eradication: A Randomized Clinical Trial”. Biomedical Research and Therapy 4, no. 11 (November 30, 2017): 1785–1794. Accessed April 3, 2025. https://preservation.bmrat.org/index.php/BMRAT/article/view/384.