Nirmatrelvir–ritonavir for the treatment of COVID‐19 patients: A systematic review and meta‐analysis. Issue 2 (12th January 2023) - Cheema, Huzaifa A.; Jafar, Uzair; Sohail, Aruba; Shahid, Abia; Sahra, Syeda; Ehsan, Muhammad; Athar, Farwa; Shah, Jaffer; Sah, Ranjit