title: THE ETIOLOGY OF BRONCHOGENIC CARCINOMA.
mesh_terms: D000230:Adenocarcinoma; D002283:Carcinoma, Bronchogenic; D002294:Carcinoma, Squamous Cell; D005853:Geriatrics; D006801:Humans; D008175:Lung Neoplasms; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology*; D012907:Smoking
keywords: ADENOCARCINOMA; CARCINOMA, BRONCHOGENIC; CARCINOMA, EPIDERMOID; GERIATRICS; LUNG NEOPLASMS; NEOPLASM ETIOLOGY; NEOPLASM STATISTICS; REVIEW; SMOKING