Verma, M. ., S. . Bhansali, and A. . Kumar. “Time Trend of Swine Flu at a Tertiary Care Centre of Western Rajasthan: A Decadal Analysis”. National Journal of Community Medicine, vol. 12, no. 04, Apr. 2021, pp. 88-91, doi:10.5455/njcm.20190919083800.