title: PNEUMOCONIOSIS AMONG COAL MINERS IN PENNSYLVANIA.
mesh_terms: D000874:Anthracosilicosis; D003031:Coal; D003032:Coal Mining; D004813:Epidemiology; D006801:Humans; D010414:Pennsylvania; D011009:Pneumoconiosis; D012829:Silicosis
chemical_list: D003031:Coal
keywords: ANTHRACOSILICOSIS; COAL MINING; EPIDEMIOLOGY; PENNSYLVANIA; PNEUMOCONIOSIS; SILICOSIS