Nepal, MD, B., 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”. Grande Medical Journal, vol. 1, no. 1, Jan. 2019, pp. 44-47, http://thegmj.co/index.php/1/article/view/10.