1. Cancer: principles and practice of oncology. 7th ed;DeVita,2005
2. Alimentary tract;Fajardo,1982
3. Alimentary tract;Fajardo,2001
4. Effects of radiation damage on intestinal morphology;Carr;Int Rev Cytol,2001
5. Mechanisms and modification of the radiation response of gastrointestinal organs;Hauer-Jensen,2002