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Thomas Bonura, Christopher D. Town, Kendric C. Smith, Henry S. Kaplan, The Influence of Oxygen on the Yield of DNA Double-Strand Breaks in X-Irradiated Escherichia coli K-12, Radiation Research, Vol. 63, No. 3 (Sep., 1975), pp. 567-577
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Bonura et al. (1975) studied this question.
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