S. Sivapriya, K. R., Keerthana, A., Arumugam, B., & Nivetha, R. (2021). Knowledge and perceptions towards candidate COVID-19 vaccines among practicing physicians of Tamil Nadu: a cross-sectional pilot study. International Journal Of Community Medicine And Public Health, 8(9), 4432–4438. https://doi.org/10.18203/2394-6040.ijcmph20213548