UYGUN, Ahmet, et al. “Recent Success of Pantoprazole -or Lansoprazole- Based Clarithromycin Plus Amoxicillin Treatment in the Eradication of Helicobacter Pylori”. Turkish Journal of Gastroenterology, vol. 15, no. 4, Jan. 2004, pp. 219-24, https://turkjgastroenterol.org/index.php/tjg/article/view/1385.