Muhammad Zahid Latif, Muhammad Atif Qureshi, Tariq Iqbal, Fariha Liaquat, Rahila Nizami, Usman Zafar, “Covid 19 Vaccination Status, Hesitancy and Barriers; A Multicenter Study of Medical Students from Pakistan”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 04, p. 700, May 2022.