Association Between Human Leukocyte Antigen and COVID-19 Severity - Hajebi, Reza; Ajam, Ali; Karbalai, Shahrokh; Ashraf, Haleh; Ostadali Dehaghi, Mohammad Reza; Moradi Tabriz, Hedieh; Pazoki, Marzieh; Khalili, Fatemeh (Acta Medica Iranica, 2021)