Hidayatullah, et al. “Relationship Between the Number of CD4+ and CD8+ Cells in Patients With COVID-19 (Coronavirus Disease 2019) at Dr. Mohammad Hoesin General Hospital, Palembang, Indonesia”. Bioscientia Medicina : Journal of Biomedicine and Translational Research, vol. 6, no. 10, July 2022, pp. 2236-41, https://doi.org/10.37275/bsm.v6i10.585.