4Zhou Hao, Wu Lin, Xiao Lyuwu, Liu Bin, Chen Xuwei, Liu Yimin. Effect of welding dus on pulmonary function in exposed workars[J].Zhonghua lao dong wei sheng zhi ye bing za zhi. 2014,32(4):287-288.
5RoshanR, Guptal M, Kulshrestha R, Menon B, Chhabra S K. Combined pulmonary fibrosis and emphysema in a welder[J].Monaldi archives for chest disease. Secondo ateneo, 2012, 77(1):26-28.
6Haluza Daniela, Moshammer Hanns, Hochgatterer Karl. Dust is in the air. Part II Effects of occupational exposure to welding fumes on lung function in a 9-year study[J]. Lung 2014, 192(I): 111-117.