title: Letter: Submicroscopical asbestos fibers and disease.
mesh_terms: D001194:Asbestos / Q000032:analysis*; D004391:Dust; D006801:Humans; D008168:Lung / Q000032:analysis* / Q000648:ultrastructure; D008854:Microscopy, Electron
chemical_list: D004391:Dust; D001194:Asbestos