Arshad AR, Saeed B, Khan I. Not all Patients with Severe/Critical COVID-19 Pneumonia Benefit from Tocilizumab. Pak Armed Forces Med J [Internet]. 2025 Aug. 30 [cited 2025 Sep. 26];75(4):626-30. Available from: https://www.pafmj.org/PAFMJ/article/view/8053