Mirzaei, Mahsa, Sattar Jafari, Somayeh Abdollahi Sabet, and Saeed Mansouri. “Prevalence of Helicobacter Pylori Infection Among Patients With Dyspepsia by Stool Antigen and Serology Tests ”. Galen Medical Journal 10 (December 31, 2021): e2134. Accessed May 23, 2022. https://gmj.ir/index.php/gmj/article/view/2134.