title: Use of radioactive tracer techniques in investigations associated with cigarette smoking.
mesh_terms: D000818:Animals; D001345:Autoradiography; D008168:Lung / Q000502:physiology; D051379:Mice; D009538:Nicotine / Q000378:metabolism*; D011849:Radioactive Tracers; D011868:Radioisotopes; D012137:Respiratory System / Q000378:metabolism*; D012907:Smoking
chemical_list: D011849:Radioactive Tracers; D011868:Radioisotopes; D009538:Nicotine