title: Particle size determination of trace elements in urban air.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000535:Aluminum / Q000032:analysis; D002104:Cadmium / Q000032:analysis; D002118:Calcium / Q000032:analysis; D003300:Copper / Q000032:analysis; D005069:Evaluation Studies as Topic; D007501:Iron / Q000032:analysis; D007854:Lead / Q000032:analysis; D008274:Magnesium / Q000032:analysis; D008345:Manganese / Q000032:analysis; D008722:Methods; D010316:Particle Size; D013056:Spectrophotometry, Ultraviolet; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc / Q000032:analysis
chemical_list: D000393:Air Pollutants; D014131:Trace Elements; D002104:Cadmium; D007854:Lead; D008345:Manganese; D003300:Copper; D000535:Aluminum; D007501:Iron; D008274:Magnesium; D015032:Zinc; D002118:Calcium