Nepal, Bipin, Bikash Shrestha, Ravi Mahat, and Abish Adhikari. 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):44-47. https://doi.org/10.3126/gmj.v1i1.22411.