The impact of aging on a variety of medical and surgical treatments of nephrolithiasis ... was calcium oxalate (74%), uric acid (11%), mixed calcium oxalate/uric acid (7%) and calcium phosphate ...

Cite this: Evaluation and Management of Nephrolithiasis ... in one trial was calcium oxalate (74%), uric acid (11%), mixed calcium oxalate/uric acid (7%) and calcium phosphate (6%).