Dr. Hasan Khalid Mohammedsajed Sajed, and Dr. Zena Nabeel Ahmed Al-Hussari. “Prevalence of Major Depression in Peptic Ulcer Patients in Iraq”. Texas Journal of Medical Science 16 (January 30, 2023): 52–60. Accessed November 25, 2024. https://zienjournals.com/index.php/tjms/article/view/3281.