Khan, N. H. ., Mannan, N. ., Zaman, M. S. . and Akram, A. . (2020) “COVID-19 Severity and ABO Blood Types; Association and Molecular Mechanisms A short Review”, Bangladesh Journal of Medical Microbiology, 14(2), pp. 30–35. doi: 10.3329/bjmm.v14i2.57796.