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分析了改饮低氟水七年后氟骨症患者尿氟、钙、镁、铜、锌、锰六种元素和尿羟脯氨酸的排泄量．结果表明，氟骨症患者与非病区正常人群对比，除尿氟明显升高和尿钙降低外，其余各项指标均无统计学上有意义的差异．揭示氟骨症息者脱离高氟环境后，骨骼蓄积的氟化物可缓慢持久地从尿中排出，随着机体氟含量的减少，原有的胶原代谢紊乱被逐渐纠正而恢复正常．
Analysis of urinary fluoride, calcium, magnesium, copper, zinc, manganese six elements and urinary hydroxyproline excretion of patients with skeletal fluorosis after drinking low-fluoride water for seven years. The results showed that there was no statistically significant difference between every index of skeletal fluorosis patients and normal non-ward patients except urinary fluoride and urinary calcium. Reveal the skeletal fluorosis dislocation from the high fluoride environment, the skeleton of fluoride can be slowly and permanently excreted from the urine, with the reduction of fluoride content of the body, the original collagen metabolism disorders are gradually corrected and returned to normal.