Teng, Yongnan, Qingwei Dong, Sisi Zhang, Songsong Chen, and Chen Li. “Clinical Analysis of the Effect of Helicobacter Pylori Infection on Immune Function in Children With Peptic Ulcer: Pylori Infection on Immune Function in Children”. Pakistan Journal of Medical Sciences 40, no. 6 (May 21, 2024). Accessed July 3, 2024. https://pjms.org.pk/index.php/pjms/article/view/7820.