Muhammad Saqib, Talha Mahmud, Rabbia Abbas, Muhammad Ahmed. “Vaccination Status of Hospitalized Patients With Covid-19 Infection During 4th Wave in Tertiary Care Hospital of Pakistan”. Pakistan Journal of Medical & Health Sciences 17, no. 01 (February 15, 2023): 203. Accessed November 13, 2024. https://mail.pjmhsonline.com/index.php/pjmhs/article/view/3866.