Jamil S, Saleem NA, Amjad SI, Butt AR, Tayyab M, Farooq M. Relationship of ABO blood groups in patients with oral cancers. Annals KEMU [Internet]. 2016Mar.25 [cited 2023May30];12(1). Available from: https://www.annalskemu.org/journal/index.php/annals/article/view/841