Gaifer Ali, Z., J. . N. Aljabri, A. M. Alattas, A. F. AlOufi, B. H. AlJehani, and M. M. Aljuhani. “Body Mass Index As an Independent Predictor for Mortality and Severe Disease Among Patients With COVID-19”. Medical Science and Discovery, vol. 9, no. 6, June 2022, pp. 355-61, doi:10.36472/msd.v9i6.752.