[What is to be expected from population studies in relation to clinical trials?].
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E
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Service de Pneumologie-Phtisiologie, Hôpital du Neuhof, 67091 Strasbourg, France.
D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D002289:Carcinoma, Non-Small-Cell Lung / Q000188:drug therapy / Q000401:mortality* / Q000532:radiotherapy / Q000628:therapy*; D018288:Carcinoma, Small Cell / Q000188:drug therapy / Q000401:mortality* / Q000532:radiotherapy / Q000628:therapy*; D002986:Clinical Trials as Topic; D017322:Clinical Trials, Phase II as Topic; D017326:Clinical Trials, Phase III as Topic; D005260:Female; D005500:Follow-Up Studies; D005602:France; D006801:Humans; D008017:Life Expectancy; D008175:Lung Neoplasms / Q000401:mortality* / Q000628:therapy*; D008297:Male; D009362:Neoplasm Metastasis; D011879:Radiotherapy Dosage; D012606:Scotland; D012737:Sex Factors; D013997:Time Factors; D014481:United States