S. Sivapriya, K.R., Keerthana, A., Arumugam, B. and 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 (Aug. 2021), 4432–4438. DOI:https://doi.org/10.18203/2394-6040.ijcmph20213548.