Salman, Ahmed Husham, and Aumed Arshad Hawezy. 2020. “Prevalence of VacA, CagA, and IceA Virulence Factors of Helicobacter Pylori Isolated from Gastro-Duodenal Patients ”. Journal of Biotechnology Research Center (JOBRC) 14 (1):72-79. https://doi.org/10.24126/jobrc.2020.14.1.592.