Occupational epidemiological investigation in field and animal experiments were performed to study the toxicity of acephate.
乙酰甲胺磷动物毒性试验及接触工人的职业流行病学调查。
Methods Retrospective epidemiological cohort study and field survey were conducted for dermatological examination, occupational hygiene and occupational exposure history for 2 876 workers.
方法采用现况调查和回顾性队列研究方法，对2 876名队列成员进行皮肤科检查和现场职业卫生学及个人职业史的调查。
Methods Retrospective epidemiological cohort study and field survey were conducted for dermatological examination, occupational hygiene and occupational exposure history for 2 876 workers.
方法采用现况调查和回顾性队列研究方法，对2 876名队列成员进行皮肤科检查和现场职业卫生学及个人职业史的调查。
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