Kalita, C., Sarma, A., Sharma, J. D., Kalita, M., Krishnatreya, M., & Kataki, A. C. (2018). Correlation between ABO blood groups and various cancers in the north eastern region of India: a retrospective observational study. International Journal of Research in Medical Sciences, 6(11), 3643–3646. https://doi.org/10.18203/2320-6012.ijrms20184422