1. Epidemiologic study of tumors in dinosaurs;Rothschild;Naturwissenschaften,2003
2. Metastatic cancer in the Jurassic;Rothschild;Lancet,1999
3. The history of gastric cancer: legends and chronicles;Santoro;Gastric Cancer,2005
4. History SC. Cancer: a historic perspective: 2006 vol. US National Cancer Institute's Surveillance, Epidemiology and End Results (SEER) Program; 2006.
5. Oxford English dictionary;Simpson,2006