1. American Cancer Society Cancer Statistics Center. 2017 Estimates; accessed June 30, 2017. Available from: https://cancerstatisticscenter.cancer.org/#/.
2. Pancreatic intraepithelial neoplasia and pancreatic tumorigenesis, of mice and men;N Ottenhof;Arch Pathol Med,2009
3. Cancer statistics;A Jemal;CA Cancer J Clin,2006
4. Cancer statistics, 2012;R Siegel;CA Cancer J Clin,2012
5. Pancreatic carcinoma;A Warshaw;New England Journal of Medicine,1992