论文部分内容阅读
为了解出国劳务人员在国外感染疟疾的情况,对桂林市1986—1988年,从热带和亚热带国家或地区归国的111名人员进行了调查。 方法 1 对象 桂林市居住国外6个月以上的援外工程归国劳务人员。
In order to understand the situation of laborers abroad who have been infected with malaria in other countries, a survey was conducted on 111 returnees from the tropical and sub-tropical countries or regions during 1986-1988 in Guilin. Method 1 Objectives Guilin city foreign workers living abroad for more than 6 months of foreign aid workers.