Epidemiologic analysis of greenhouse farmer's lung in part of rural areas of Liaoning provinceFU Shuang, CHEN Dong-hong, XU Lei, SHEN Ming, ZHAO Jian, CHEN Hong, REN Wen-liang, LI Li-yun, LI Zhen-hua, WANG Dong-liang, XIA Shu-yue, TIAN Jun, ZHOU Yu-hong, ZHANG Hao, ZOU Jie, ZHANG Xu-hua, WU Li-hua, YU Xiao-ling, MA Dan, LI Fang-zhi, WANG Ling-ling, LIU Shuo, DONG Hong-guang, NIE Fang, ZHANG Li-jiao, WANG Xue-wen, WANG Qun, XING Li-bao, LI Jing, ZOU Bo, LIU Yan-qing, JIANG Bao-guo, HE Xiao-yu, WEN De-liang, WANG Xiao-ge
