Kadhum, Rania F, and Ban S Diab. “ABO Blood Type in Relation in Relation to Caries Experience and Salivary Physicochemical Characteristic Among College Students at Al-Diwania Governorate in Iraq”. Journal of Baghdad College of Dentistry, vol. 27, no. 4, Dec. 2015, pp. 125-31, https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/961.