Z. Ali Hussein and K. Jameel Al-Rubay, “Evolution of virulence factors and defection factor H.pylori among gastrointestinal disease patients in Waist province”, HOM, vol. 9, no. 2, Apr. 2023, Accessed: Dec. 22, 2024. [Online]. Available: https://historymedjournal.com/HOM/index.php/medicine/article/view/491