title: Symptomatic pulmonary disease in arc welders.
mesh_terms: D006801:Humans; D008171:Lung Diseases; D011086:Polycythemia / Q000209:etiology*; D011656:Pulmonary Emphysema / Q000209:etiology*; D011658:Pulmonary Fibrosis / Q000209:etiology*; D014896:Welding
keywords: POLYCYTHEMIA/etiology; PULMONARY EMPHYSEMA/etiology; PULMONARY FIBROSIS/etiology; WELDING