B. Nepal, MD, B. Shrestha, MD, R. Mahat, FCPS, and A. Adhikari, MD, “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”, GMJ, vol. 1, no. 1, pp. 44-47, Jan. 2019.