title: Large-particle entry efficiencies of the MRE 113A gravimetric dust sampler.
mesh_terms: D001980:Bronchi / Q000032:analysis; D003031:Coal / Q000032:analysis; D003032:Coal Mining; D004391:Dust / Q000032:analysis*; D006801:Humans; D009787:Occupational Medicine / Q000295:instrumentation*; D010316:Particle Size; D012119:Respiration; D012137:Respiratory System / Q000032:analysis*; D014132:Trachea / Q000032:analysis
chemical_list: D003031:Coal; D004391:Dust