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将氟暴露工龄５年以上的３５名自愿者分成两组，其中２０人服“抗氟灵”冲剂，１５名服安慰剂；另选同样条件的非氟暴露工人１８名为对照。均不脱离生产，进行为期一个月的观察。结果表明，在氟暴露车间平均空气氟浓度为１．５ｍｇ／ｍ３环境下，工人尿氟明显增高，血清ＩｇＧ、ＩｇＡ和微量元素Ｃｕ、Ｚｎ、Ｃａ明显下降。对服“抗氟灵”冲剂和安慰剂的工人进一步观察结果表明，“抗氟灵”进入体内与氟络合形成ＢＦ－４而增加了尿氟的排出，而且有防止血清ＩｇＧ和微量元素Ｚｎ、Ｃａ降低的作用
Thirty-five volunteers who had been exposed to fluoride for more than 5 years were divided into two groups. Of them, 20 were treated with “Fuling” granules and 15 were given placebo; and 18 of the other non-fluoride exposed workers under the same conditions were used as controls. Not out of production, for a period of one month’s observation. The results showed that in the fluorine exposure workshop average air fluoride concentration of 1.5mg / m3 environment, workers urinary fluoride was significantly increased, serum IgG, IgA and trace elements Cu, Zn, Ca decreased significantly. Further observation of workers taking “Fluoride” granules and placebo showed that “Fluorin” entered into the body to form BF-4 with fluorine, which increased urinary fluoride excretion and prevented the secretion of serum IgG and trace element Zn , Ca reduce the role