Tapnikar, L. A., Joshi, M. P., Soni, A. A. and Saoji, A. V. (2022) “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, 9(4), pp. 1927–1934. doi: 10.18203/2394-6040.ijcmph20220876.