title: II.2.d Tobacco-specific nitrosamines in tobacco and tobacco smoke.
mesh_terms: D002250:Carbon Radioisotopes; D006801:Humans; D009602:Nitrosamines / Q000032:analysis*; D010947:Plants, Toxic; D011865:Radioisotope Dilution Technique; D012906:Smoke / Q000032:analysis*; D012907:Smoking; D013329:Structure-Activity Relationship; D014026:Nicotiana / Q000032:analysis*
chemical_list: D002250:Carbon Radioisotopes; D009602:Nitrosamines; D012906:Smoke