Concentrations of nicotine and tobacco smoke in public places.
D000397:Air Pollution / Q000032:analysis*; D008722:Methods; D008851:Micropore Filters; D009538:Nicotine / Q000032:analysis*; D010947:Plants, Toxic; D012906:Smoke / Q000032:analysis*; D014026:Nicotiana
D012906:Smoke; D009538:Nicotine