The mythology of low-tar cigarettes.
D000329:Advertising; D002248:Carbon Monoxide / Q000032:analysis; D006801:Humans; D008297:Male; D009538:Nicotine / Q000032:analysis; D010947:Plants, Toxic; D012449:Safety; D012907:Smoking; D013638:Tars / Q000032:analysis; D014026:Nicotiana / Q000032:analysis
D013638:Tars; D009538:Nicotine; D002248:Carbon Monoxide