1. International Agency for Research on Cancer, World Cancer Factsheet 2012, 2013.
2. University of Rochester Medical Center, “Digestive diagnostic procedures,” http://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=85&ContentID=P00364 . Accessed 24 Nov 2015.
3. Xynopoulos, D., Mihas, A. A., Paraskevas, E., Dimitroulopoulos, D., Heuman, D. M., & Mihas, A. A. (2002). Small bowel tumors. Annals of Gastroenterology, 15, 18–35.
4. Rey, J.-F., Gay, G., Kruse, A., & Lambert, R. (2004). ESGE guideline for video capsule endoscopy. Endoscopy, 36, 656–658.
5. Hara, A. K., Leighton, J. A., Heigh, R. I., Sharma, V. K., Silva, A. C., De Petris, G., et al. (2006). Crohn disease of the small bowel: Preliminary comparison among CT enterography, capsule endoscopy, small-bowel follow-through, and ileoscopy. Radiology, 238, 128–134.