title: [SEM observation and chemical analysis of urinary calculus].
mesh_terms: D002129:Calcium Oxalate / Q000032:analysis; D002130:Calcium Phosphates / Q000032:analysis; D006801:Humans; D008855:Microscopy, Electron, Scanning; D014527:Uric Acid / Q000032:analysis; D014545:Urinary Calculi / Q000378:metabolism*
chemical_list: D002130:Calcium Phosphates; D002129:Calcium Oxalate; D014527:Uric Acid