1. Cancer statistics, 2018;Siegel;CA Cancer J Clin,2018
2. Surveillance Epidemiology and End Results (SEER) program (www.seer.cancer.gov). SEER Stat database, US: Populations—Total. Natl Cancer Institute, DCCPS, Surveill Res Program, Cancer Stat Branch.
3. Trends in pancreatic adenocarcinoma incidence and mortality in the United States in the last four decades; a SEER-based study;Saad;BMC Canc,2018
4. Annual report to the nation on the status of cancer, 1975–2014, featuring survival;Jemal;JNCI J Natl Cancer Inst,2017
5. CD8+ cytotoxic T lymphocytes in cancer immunotherapy: a review;Farhood;J Cell Physiol,2019