Gallstones. EBSCO DynaMed website. Available at:
http://www.ebscohost.com/dynamed. Updated October 23, 2013. Accessed December 5, 2013.
Gallstones. American Academy of Family Physicians' FamilyDoctor website. Available at:
Updated July 2010. Accessed December 5, 2013.
Gallstones. National Institute of Diabetes & Digestive & Kidney Diseases website. Available at:
http://digestive.niddk.nih.gov/ddiseases/pubs/gallstones. Updated November 27, 2013. Accessed December 5, 2013.
6/18/2014 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Yarmish GM, Smith MP, et al. American College of Radiology (ACR) Appropriateness Criteria on right upper quadrant pain. Available at: http://www.acr.org/~/media/ACR/Documents/AppCriteria/Diagnostic/RightUpperQuadrantPain.pdf. Updated 2013. Accessed June 18, 2014.
American Liver Foundation
National Digestive Diseases Information Clearinghouse
Canadian Liver Foundation