title: Chemical composition of urinary calculi.
mesh_terms: D002118:Calcium / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D006801:Humans; D008274:Magnesium / Q000032:analysis; D010070:Oxalates / Q000032:analysis; D010710:Phosphates / Q000032:analysis; D000644:Quaternary Ammonium Compounds / Q000032:analysis; D012492:Salts / Q000032:analysis; D014527:Uric Acid / Q000032:analysis; D014545:Urinary Calculi
chemical_list: D010070:Oxalates; D010710:Phosphates; D000644:Quaternary Ammonium Compounds; D012492:Salts; D014527:Uric Acid; D008274:Magnesium; D002118:Calcium