The less harmful cigarette.
D006801:Humans; D009369:Neoplasms / Q000209:etiology / Q000517:prevention & control*; D009538:Nicotine / Q000032:analysis; D010947:Plants, Toxic; D012907:Smoking / Q000150:complications*; D000074606:Smoking Prevention; D014026:Nicotiana / Q000032:analysis
D009538:Nicotine