1. United States cancer statistics: 1999–2006 incidence and mortality Web-based report;U.S. Cancer Statistics Working Group,2010
2. Carcinomas and other malignant epithelial neoplasms;Bernstein,1999
3. A genetic model for colorectal tumorigenesis;Fearon;Cell,1990
4. Two genetic hits (more or less) to cancer;Knudson;Nat Rev Cancer,2001
5. Differential diagnosis in surgical pathology;Gattuso,2009