Evaluation of inflammatory and biochemical markers in COVID-19 patients treated with tocilizumab alone or with the combination of tocilizumab and convalescent plasma transfusion. Ann Med Res [Internet]. 2022 Jul. 25 [cited 2025 Apr. 4];29(7):770-6. Available from: http://annalsmedres.org/index.php/aomr/article/view/4231