1. Grainger & Allison's Diagnostic Radiology,2008
2. Fundamentals of Diagnostic Radiology,2006
3. Gastrointestinal Radiology: A Pattern Approach;Eisenberg,2003
4. The colon;Gelfand;Curr Opin Radiol,1990
5. The ASCRS Textbook of Colon and Rectal Surgery,2007