title: Calcium phosphorus and nitrogen balance studies in renal calculus disease.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002118:Calcium / Q000378:metabolism*; D002648:Child; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000453:epidemiology / Q000209:etiology / Q000378:metabolism*; D007677:Kidney Function Tests; D008297:Male; D008875:Middle Aged; D009584:Nitrogen / Q000378:metabolism*; D010758:Phosphorus / Q000378:metabolism*
chemical_list: D010758:Phosphorus; D009584:Nitrogen; D002118:Calcium