Al-Hadithi, Hayfaa S., Aida R. Al-Derzi, and Muhammed M. Al-Ani. 2007. “Significance of Serum Pepsinogens in Atrophic Gastritis”. Journal of the Faculty of Medicine Baghdad 49 (2): 235-37. https://doi.org/10.32007/jfacmedbagdad.4921386.