Raslan, Mohamed Ahmed, Eslam Mansour Shehata, Sara A. R., and Nagwa A. Sabri. 2022. “Correlation Between Human Leukocyte Antigen Gene Polymorphism and COVID-19: Incidence and Severity”. Challenges and Advances in Pharmaceutical Research Vol. 7, October, 142-53. https://doi.org/10.9734/bpi/capr/v7/3975A.