Zhang, Yuanda, Binbin Bi, Xu Guo, and Shaohui Zhang. “Analysis of Eradication, Recurrence and Levels of 25-Hydroxyvitamin D3 and Interleukin-1β in Paediatric Patients With Helicobacter Pylori Infection-Related Gastritis”. Pakistan Journal of Medical Sciences 36, no. 6 (August 20, 2020). Accessed March 29, 2024. https://pjms.org.pk/index.php/pjms/article/view/2292.