MICROSCOPIC IDENTIFICATION OF TOXIC DUSTS.
D000397:Air Pollution; D004396:Coloring Agents; D004391:Dust; D004787:Environmental Pollution; D008853:Microscopy; D009787:Occupational Medicine; D012822:Silicon Dioxide; D013194:Staining and Labeling
D004396:Coloring Agents; D004391:Dust; D012822:Silicon Dioxide
AIR POLLUTION; DUST; INDUSTRIAL MEDICINE; MICROSCOPY; SILICA; STAINS AND STAINING