Alhaj, A., Al Wazeer, A., Abdulhafed, S., & Al Dhabiani, M. (2022).  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 for Medical and Applied Sciences, 1(1). https://doi.org/10.65693/masj.2022.v1i1.15