Gurung , Y. “An Insight into ABO Blood Group and Susceptibility to COVID19 (SARS-CoV-2) in Darjeeling Hill Region, West Bengal, India”. UTTAR PRADESH JOURNAL OF ZOOLOGY, vol. 44, no. 17, Aug. 2023, pp. 46-54, doi:10.56557/upjoz/2023/v44i173592.