title: Pulmonary ventilatory functions of coalminers in various areas in relation to the x-ray category of pneumoconiosis.
mesh_terms: D003032:Coal Mining; D006801:Humans; D008168:Lung; D011009:Pneumoconiosis / Q000706:statistics & numerical data*; D014965:X-Rays
keywords: COAL MINING; PNEUMOCONIOSIS/statistics