Alnihier, M. M. H., A. T. Alotaibi, and A. S. B. Alanzi. “Laboratory Procedures and Reference Ranges for COVID-19 for Diverse Patient Populations: Review”. International Journal of Health Sciences, vol. 6, no. S9, Feb. 2022, pp. 5108-20, doi:10.53730/ijhs.v4nS1.14929.