Almujarri, F. ., A. Aldayel, A. Almoushawah, A. Alsuliman, M. . Alshehri, and S. Alosaimi. “The Characteristics and Comorbidities of Chronic Diseases in Patients Visiting in a Major Governmental Clinic in Riyadh, Saudi Arabia.”. Journal of Health Informatics in Developing Countries, vol. 14, no. 2, Dec. 2020, https://jhidc.org/index.php/jhidc/article/view/293.