Nepal, B., Shrestha, B., Mahat, R. and Adhikari, A. 2019. Acquired B antigen in ABO blood group system: Non-secretor group ’A1’ subtype, Rh positive with auto antibodies in a patient with urinary tract infection with E. coli. Grande Medical Journal. 1, 1 (Jan. 2019), 44–47. DOI:https://doi.org/10.3126/gmj.v1i1.22411.