1. Policy and Procedure Manual for Gastrointestinal Endoscopy, Guidelines for Training and Practice,1997
2. Assessing the financial health of the endoscopy center;Deas;Gastrointest Endosc Clin N Am,2002
3. Accreditation Manual for Office-Based Surgery Practices,2001
4. Office endoscopy;Overholt,1990
5. How to Select Accreditation Organization;Compliance,2001