These results demonstrated single K_2NTA or K_2DTPA and mixed K_2EDTA-K_3Cit or K_2EDTA-K_2DTPA might be beneficial to the prevention and cure of urinary stones.

• 结果表明：单一的K_2NTA或K_2DTPA以及混合的K_2EDTA-K_3Cit或K_2EDTA-K_2DTPA合剂很有可能成为尿石的有效防石药物。