Objective: To evaluate the intervention effect on catering service workers' AIDS-related knowledge, attitude and behaviors.
目的：评价对餐饮业服务人员的艾滋病相关知识、态度、行为等干预的效果。
Objective: To evaluate the intervention effect on catering service workers' AIDS-related knowledge, attitude and behaviors.
目的：评价对餐饮业服务人员的艾滋病相关知识、态度、行为等干预的效果。
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