Khan, Sarfaraz, Malik Muhammad Atif, Sadia Asif, Uzma Malik, Sarmad Zahoor, and Samar Firdous. “Response of Tocilizumab in Treating Severe to Critical COVID-19; Single-Centre Experience at a Tertiary Care Centre”. Pakistan Armed Forces Medical Journal 73, no. 5 (October 30, 2023): 1468–1471. Accessed December 27, 2024. https://pafmj.org/PAFMJ/article/view/7532.