Learn about gallstones from the American Gastroenterological Association. Includes diagnostic test and treatment details.

Look at a series of ultrasound images of different types of gallstones and a stone removal procedure. The captions explain the composition.

Learn about this digestive organ and find links to information on gallstones and bile.

National Institute of Diabetes and Digestive and Kidney Diseases offers an FAQ on gallstones.

Nat. Inst. of Diabetes and Digestive and Kidney Diseases explains the causes, risks, diagnosis and treatment of cholelithiasis.

Find an overview of gallbladder disease and its treatments. Has links to physicians.