Tobacco increased significantly the mutation rate of Salmonella typhia and the formation rate of CHO colony.

烟草能显著地提高伤寒沙门氏菌突变率和CHO细胞集落形成率；

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Tobacco increased significantly the mutation rate of Salmonella typhia and the formation rate of CHO colony.

烟草能显著地提高伤寒沙门氏菌突变率和CHO细胞集落形成率；

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