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One half of human colon cancers bear mutant c-K-ras oncogenes. Mutant K-ras oncogenes are associated with shortened survival in non-small cell lung cancers, and, in cell line models, with resistance to cis-platinum and to ionizing radiation. This study examines whether mutant K-ras alleles in colon cancer alter patients' response to chemotherapy or(More)
PURPOSE: Indoor air pollution has been linked with lung cancer in China. In contrast to previous studies conducted in urban areas with high levels of industrial pollution, we undertook a lung cancer case-control study in a rural area of China, where residents live in underground dwellings. We evaluated the effects of radon, wood and coal combustion, cooking(More)
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