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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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Previous attempts at creating lung tissue in the lab have only yielded small swatches of cells.

先前几次用肺组织进行的尝试，都仅仅生长出了一些小团的细胞而已。

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The lung tissue reacts to the dust by developing nodules and scarring around the trapped silica particles.

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Concentrations of more than 1, 000 asbestos bodies per gramme of dry lung tissue were found in 13%.

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However, further tests showed that the virus's genetic material was still present in lung tissue over 100 days later.

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