title: A survey of the methods developed in the National Coal Board's pneumoconiosis field research for correlating environmental exposure with medical condition.
mesh_terms: D055008:Anthracosis; D003031:Coal; D003032:Coal Mining; D004781:Environmental Exposure; D006801:Humans; D011009:Pneumoconiosis / Q000706:statistics & numerical data*
chemical_list: D003031:Coal
keywords: COAL MINING; PNEUMOCONIOSIS/statistics