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Harry E. Walburg, Jr., Edna I. Mynatt, D. M. Robie, The Effect of Strain and Diet on the Thirty-Day Mortality of X-Irradiated Germfree Mice, Radiation Research, Vol. 27, No. 4 (Apr., 1966), pp. 616-629
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Walburg et al. (1966) studied this question.
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