title: Letter: Smoking and lung cancer.
mesh_terms: D004781:Environmental Exposure; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology* / Q000235:genetics; D008297:Male; D012737:Sex Factors; D012907:Smoking / Q000150:complications*