Dr. Preeti Chaudhary, Dr. Neelam Gulati, Dr. Varsha Gupta, Dr. Nidhi Singla, Dr. Lipika Singhal, Dr. Isha Dhawan, Dr. Sohini Walia, and Dr. Jagdish Chander. “COVID-19 Epidemiology Study from a Tertiary Care Center in North India”. International Journal of Medical Science in Clinical Research and Review, vol. 7, no. 02, Apr. 2024, pp. Page: 346-352, https://ijmscrr.in/index.php/ijmscrr/article/view/720.