Alhaj, Akram Yahya. “Rheumatoid Arthritis: Prevalence, Patterns of Presentations and Associated Factors Among Arthritis Patients in Military Hospital, Sana’a, Yemen 2019-2021”. Journal of 21 September University of medical and applied sciences 1, no. 1 (September 8, 2023). Accessed December 23, 2024. https://21umas.edu.ye/ojs/index.php/j21umas/article/view/7.