Tobacco and the lung.
D000293:Adolescent; D000328:Adult; D000368:Aged; D006801:Humans; D008168:Lung / Q000473:pathology; D008875:Middle Aged; D010947:Plants, Toxic; D012906:Smoke; D012907:Smoking / Q000523:psychology*; D014026:Nicotiana
D012906:Smoke