Kumar M, K., Bhuva, D., Patel, S., Shah, A., & 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), 636–641. https://doi.org/10.55489/njcm.130920222311