Investigation of the tuberculin reactivity in the junior middle school students of four middle schools

Wang Xing,Li hai,Chai Zhiying,Gao Yongxiang,Pang Chunping,Chen Xiangdong,Hao Shijia,Li Xiaoguang,Yu Shaoqing,Yang Lihua,Sun Bin

Chinese Journal of Antituberculosis . 2009, (8): 454 -456 .