title: A clinical, radiological and pulmonary function case-control study of 135 Dockyard welders aged 45 years and over.
mesh_terms: D006801:Humans; D008171:Lung Diseases / Q000209:etiology* / Q000503:physiopathology; D008875:Middle Aged; D009784:Occupational Diseases / Q000209:etiology* / Q000503:physiopathology; D014896:Welding