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Kidney Disease Center—Kidney Stones
Kidney stones are pieces of stone-like material that form on the walls of the kidney. The kidneys are two bean-shaped organs in the lower back. Their main function is to remove waste from the body and to balance the water and mineral content of the blood by removing water.
Diagnostic and Surgical Procedures
American Urological Association Foundation
National Institute of Diabetes and Digestive and Kidney Diseases
National Kidney Foundation
The Oxalosis and Hyperoxaluria Foundation