Almashhadany, D. A., Zefenkey, Z. F., & Zaki, A. M. (2022). Dental risk factors associated with oral Helicobacter pylori infection: a cross-sectional study based on saliva antigen test. The Journal of Infection in Developing Countries, 16(03), 516–521. https://doi.org/10.3855/jidc.15420