Low-tar cigarettes--possibilities and limitations.
Klus
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D001947:Breeding; D003367:Cotinine / Q000097:blood; D005374:Filtration / Q000379:methods; D006801:Humans; D010947:Plants, Toxic; D012907:Smoking; D013638:Tars / Q000032:analysis*; D014026:Nicotiana / Q000032:analysis*
D013638:Tars; D003367:Cotinine