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Hypofractionated radiotherapy has been the principal curative treatment option for early stage NSCLC patients who are medically inoperable or those who refuse surgery and achieved favorable clinical outcomes. Evidence demonstrated that the linear quadratic model widely used in normally fractionated radiotherapy cannot work well to fit outcome data by use of BED to predict the effect of hypofractionation...
In previous epidemiological studies we observed a correlation between smoking, exposure to environmental tobacco smoke (ETS), and lung cancer. In order to explore the role of exposure to ETS in the etiology of lung cancer, a 1:1 matched case-control study was conducted in Heilongjiang province from October 1 of 1993 to April 30 of 1994. All of the 128 lung cancer cases collected for this investigation...
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