Arinola Olatunbosun, Ganiyu, Abdulfattah Adekunle Onifade, Kehinde Adigun, and Mosunmade Babatunde Oshingbesan. “Serum Levels of IFN-γ and IL-4 in Hospitalised COVID-19 Patients – Evidence of Reduced Cytokine Storm in Discharged Patients”. European Journal of Clinical and Experimental Medicine 21, no. 4 (December 30, 2023): 750–755. Accessed December 28, 2025. https://journals.ur.edu.pl/ejcem/article/view/12078.