Tapnikar, L. A., M. P. Joshi, A. A. Soni, and A. V. Saoji. “Expounding Nested Case Control Studies in the Year of COVID-19: A Scoping Review and Sub Group Meta-Analysis”. International Journal Of Community Medicine And Public Health, vol. 9, no. 4, Mar. 2022, pp. 1927-34, doi:10.18203/2394-6040.ijcmph20220876.