Salih, D., S. Salih, R. Abdo, C. Rasool, and A. Alassady. “Micronucleus Assay of Buccal Mucosa Cells in Cigarette and Waterpipe Smokers in Duhok, Iraq”. Annals of Medical Research, vol. 29, no. 5, May 2022, pp. 454-7, http://annalsmedres.org/index.php/aomr/article/view/4134.