Al-Khatib, Ahed J., and Ahmed Saber Abu-zaiton. “THE PREVALENCE OF HELICBACTER PYLORI AMONG PATIENTS COMPLAINING FROM ABDOMINAL PAIN”. European Scientific Journal, ESJ 9, no. 30 (October 31, 2013). Accessed July 6, 2022. https://eujournal.org/index.php/esj/article/view/1966.