Kamal, Zuhair B. “Association Between Gallbladder Diseases and Helicobacter Pylori Infection”. AL-Kindy College Medical Journal 16, no. 2 (December 30, 2020): 30–34. Accessed April 30, 2025. https://www.jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/263.