About 30 percent of human lung cancer patients have mutations in Kras.

大约30%的人类肺癌病人有Kras突变。

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Scientists at the University of Maryland and Johns Hopkins tested mouse and human lung tissue.

马里兰大学的科学家和Johns Hopskins测试了老鼠和人类的肺部组织。

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These particulates are small enough to penetrate human lung tissue, causing severe health problems.

这些颗粒足够小，能进入人的肺组织，引发严重的健康问题。

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Experiments in Germany tested 22 flavonoids on human lung cells infected with the H5N1 influenza A virus.

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In an in vivo model using severe combined immunodeficient mice, subcutaneous tumors were generated by inoculating the animals with cells from human non-small cell lung carcinoma cell lines.

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In the 1980s researchers found high levels of EGF receptors in human tumors of the brain, lung, breast, bladder and pancreas.

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