Chayal, Vinod, Rohtas K Yadav, Ramesh Verma, Meenakshi Kalhan, Anuradha Nadda, Shweta Goswami, Rohit Dhaka, et al. “Clinico-Epidemiological Profile of Early Cases of Covid-19 in State of Haryana, India”. Indian Journal of Community Health 33, no. 1 (March 31, 2021): 97–102. Accessed November 21, 2024. http://iapsmupuk.org/journal/index.php/IJCH/article/view/2044.