智力低下儿童的调查与分析周卓民（阳江市人民医院儿科）为贯彻国务院关于进行全国残废人抽样调查的批示，我们于１９８７年４～６月对阳江市１５岁以下２３８２名儿童进行了智力低下调查，现将结果报道如下；１对象与方法１．１按照社会经济，文化教育及交通状况分为条件... Investigation and Analysis of Mentally Retarded Children Zhou Zhuomin (Department of Pediatrics, Yangjiang People’s Hospital) In order to carry out the State Council’s directive on carrying out a sample survey on disabled people across the country, we conducted a survey on the mental retardation of 2,382 children under the age of 15 in Yangjiang from April to June 1987 , The results are reported as follows; 1 objects and methods 1.1 in accordance with the social economy, cultural education and traffic conditions are divided into conditions ...