Nepal, Bipin, Bikash Shrestha, Ravi Mahat, and Abish Adhikari. “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, no. 1 (January 3, 2019): 44–47. Accessed December 26, 2024. https://nepjol.info./index.php/gmj/article/view/22411.