title: [Determination of calcium, oxalate and inhibitory activity of the urine in patients with calcium nephrolithiasis].
mesh_terms: D000328:Adult; D002118:Calcium / Q000652:urine*; D002136:Calcium, Dietary / Q000008:administration & dosage; D006801:Humans; D007669:Kidney Calculi / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D010070:Oxalates / Q000652:urine*
chemical_list: D002136:Calcium, Dietary; D010070:Oxalates; D002118:Calcium