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A meta-analysis of six case-control studies on the relationship between reported exposure to environmental tobacco smoke (ETS) and lung cancer in nonsmoking Chinese women was performed, using the fixed-effect model. A total of 767 cases and 1193 controls from Shanghai, Guangzhou, Shenyang, Harbin, Xuanwei, and Hong Kong were reported in five of these six studies. (One study did not provide a clear...
The incidence of lung cancer in young persons is very high in northeast China. Thus, a study was conducted to evaluate the types of lung cancer and their possible etiology. In this study 1056 cases of lung cancer were identified by histopathological examination in the Department of Thoracic Medicine of the China Medical University from 1978-1994. In this group of 1056 cases, squamous cell carcinoma...
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