title: Less hazardous cigarettes and diseases of the lung.
mesh_terms: D006801:Humans; D008173:Lung Diseases, Obstructive / Q000517:prevention & control*; D010947:Plants, Toxic; D012907:Smoking; D013638:Tars / Q000032:analysis; D014026:Nicotiana / Q000032:analysis
chemical_list: D013638:Tars