title: Etiology of lung cancer. Reflections on two decades of research.
mesh_terms: D000818:Animals; D002273:Carcinogens; D005260:Female; D006266:Health Education; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D008297:Male; D051379:Mice; D008875:Middle Aged; D009374:Neoplasms, Experimental / Q000209:etiology; D010947:Plants, Toxic; D011817:Rabbits; D012106:Research; D012907:Smoking / Q000150:complications*; D000074606:Smoking Prevention; D012959:Socioeconomic Factors; D014026:Nicotiana; D014481:United States
chemical_list: D002273:Carcinogens