Nazia Sultana, M. N. Jahan, A. Sultana, and P. R. Debnath. “Side Effects of 2nd Dose of Sinopharm Vaccine Experienced by Medical Students at a Tertiary Medical College Hospital , Bangladesh”. The Planet, vol. 6, no. 01, Aug. 2022, pp. 8-12, https://bdjournals.org/index.php/planet/article/view/157.