Khani, Y., M. Arabsalmani, R. Pakzad, M. Ghoncheh, A. Mohammadian-Hafshejani, and H. Salehiniya. “Disparities in Incidence and Mortality of Pancreatic Cancer in the World”. Biomedical Research and Therapy, Vol. 5, no. 02, Feb. 2018, pp. 1986-99, doi:10.15419/bmrat.v5i02.415.