Kumar M, K., Bhuva, D., Patel, S., Shah, A. and Kavishvar, A. (2022) “Seropositivity of COVID-19 Among Healthy Voluntary Blood Donors and Its Association with Blood Groups: A Reflection of Burden of Asymptomatic COVID-19 Cases in The District of South Gujarat”, National Journal of Community Medicine, 13(09), pp. 636–641. doi: 10.55489/njcm.130920222311.