Changes in the tar, nicotine and carbon monoxide yields of cigarettes sold in the United Kingdom.
D002248:Carbon Monoxide / Q000032:analysis*; D006801:Humans; D009538:Nicotine / Q000032:analysis*; D010947:Plants, Toxic; D012906:Smoke; D012907:Smoking; D013638:Tars / Q000032:analysis*; D014026:Nicotiana / Q000032:analysis*; D006113:United Kingdom
D012906:Smoke; D013638:Tars; D009538:Nicotine; D002248:Carbon Monoxide