Karthikeyan Pandiyambakkam Rajendran, Srinivas Govindarajulu, Dr Deepa S, Dr Anita M. “How COVID-19 Got Wing? A Critical Review”. Drugs and Cell Therapies in Hematology 10, no. 1 (October 1, 2021): 2738–2745. Accessed May 2, 2024. http://dcth.org/index.php/journal/article/view/570.