Tar and nicotine in German cigarettes.
D005374:Filtration; D005860:Germany, West; D006801:Humans; D009538:Nicotine / Q000032:analysis*; D010947:Plants, Toxic; D012907:Smoking; D013638:Tars / Q000032:analysis*; D014026:Nicotiana / Q000032:analysis*
D013638:Tars; D009538:Nicotine