Jamil, S., Saleem, N.A., Amjad, S.I., Butt, A.R., Tayyab, M. and Farooq, M. 2016. Relationship of ABO blood groups in patients with oral cancers. Annals of King Edward Medical University. 12, 1 (Mar. 2016). DOI:https://doi.org/10.21649/akemu.v12i1.841.