Chowdhury, F., M. Siddiqui, K. Rahman, Z. Nasreen, H. Begum, and H. Begum. “A Rare and Clinically Important Blood Group - Bombay Blood Group”. Bangladesh Journal of Medicine, vol. 22, no. 1, Feb. 2013, pp. 21-23, doi:10.3329/bjmed.v22i1.13596.