DEPOSITION AND RETENTION OF DUST IN THE HUMAN RESPIRATORY TRACT.
D003032:Coal Mining; D004391:Dust; D004583:Electrons; D006801:Humans; D008168:Lung; D008853:Microscopy; D008854:Microscopy, Electron; D009787:Occupational Medicine; D012137:Respiratory System
D004391:Dust
COAL MINING; DUST; INDUSTRIAL MEDICINE; LUNG; MICROSCOPY, ELECTRON; RESPIRATORY SYSTEM