title: Tar in tobacco.
mesh_terms: D002273:Carcinogens; D005602:France; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced; D012907:Smoking; D013638:Tars / Q000009:adverse effects*; D006113:United Kingdom
chemical_list: D002273:Carcinogens; D013638:Tars