Z. Gaifer Ali, 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”, Med Sci Discov, vol. 9, no. 6, pp. 355–361, Jun. 2022.