乡镇石场接尘工人矽肺患病情况调查广东省职业病防治院（５１０２６０）李文勇，张碧莲，邵木兰我们于１９８６～１９９１年先后对８间乡镇石场作业环境及接尘工人矽肺患病情况进行了调查，结果报告如下。１对象与方法凡接触石尘作业一年以上的打石工人均为本次调查对象，... Investigation on the prevalence of silicosis among workers exposed to dust in township and village farms Guangdong Provincial Occupational Disease Prevention and Treatment Hospital (510260) Li Wenyong, Zhang Bi Lian, Shao Mulan We carried out Survey, the results reported below. 1 objects and methods who contact dust work more than a year to hit the stone workers are the survey object, ...