职业接触人群的呼吸道刺激症状及COPD发生率增加。
The symptoms of respiratory tract and the risk of COPD (chronic obstructive pulmonary diseases) are rised in the occupational exposed workers.
结论：含砷和氯丹类灭蚁药能使职业接触人群心脏功能明显受损。
Conclusion: the exposure to termite control drugs can lead to damage the cardiac function in occupational groups.
探讨三氯乙烯（TCE）与噪声对职业接触人群听力损害的联合作用。
To probe into the joint effects of trichloroethylene(TCE)and noise on the hearing impairment of the occupational contact crowd.
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