SONAM; JASMINE CHHILLAR; GAURAV CHHILLAR; USHA KATARIA; JAI KISHORE; DINESH CHHILLAR. A Retrospective Comparative Study Of Covid-19 Mortality In First, Second And Third Wave Of Pandemic In District Sonipat, Haryana. International Journal of Allied Medical Sciences and Clinical Research, [S. l.], v. 11, n. 1, p. 47–54, 2023. DOI: 10.61096/ijamscr.v11.iss1.2023.47-54. Disponível em: https://ijamscr.com/ijamscr/article/view/1297. Acesso em: 4 may. 2024.