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收集上海农药厂敌百虫包装工人２０年的健康监护资料，以工人血液胆碱酯酶活力值及症状体征积分值为指标，用计算机进行统计分析。结果表明，通过工艺改革和长期劳动卫生监督监测及健康监护，改善了包装工人作业环境，减少了空气污染及皮肤吸收；定期体检，及时发现有机磷中毒的观察对象和患者，使敌百虫包装工中毒率显著降低，由７０年代初的２５．２６％，降至７０年代后期的５．１７％，直至１９８０～１９８９年的１．８５％，成效显著，解决了敌百虫中毒这一老大难问题。
Twenty-year health surveillance data of trichlorfon-packed workers at the Shanghai Pesticide Factory was collected. The value of cholinesterase activity in the blood and the scores of symptoms and signs were used as indicators, and statistical analysis was performed using a computer. The results showed that through process reforms and long-term supervision and monitoring of health and health supervision, the working environment of packaging workers was improved, air pollution and skin absorption were reduced, and regular physical examinations were conducted to find out the observed objects and patients of organophosphorus poisoning in time and make trichlorfon packaged. The poisoning rate of workers dropped significantly, from 25.26% in the early 1970s to 5.17% in the late 1970s and 1.85% from 1980 to 1989. This achieved remarkable results and solved the old enemy of trichlorfon poisoning. Difficult problem.