two types of uroliths developed : magnesium phosphate in the renal pelves , bladders , and/or ureters of rats fed rations containing 1 per cent magnesium with either 1.0 or 0.5 per cent phosphorus and calcium phosphate uroliths in the renal tubules at the corticomedullary junction of rats fed rations containing phosphorus equal to or greater than 0.8 per cent and magnesium equal to or less than 0.8 per cent .
C0065527
magnesium phosphate
C0024467
magnesium