One hundred twenty male Wistar rats were divided into three groups of 40 each. One was fed on low potassium-high sodium, another on low sodium-high potassium, and the third a control diet. Half of each group was irradiated with 400 R acute wholebody gamma radiation. A second set of 60 rats was set up as above but given 100 R acute whole-body irradiation. There were significant decreases in body weight in the irradiated rats. The serum sodium did not change, whereas serum potassium decreased after irradiation. Sixty days following irradiation 95% of the high potassium and control diet rats had survived the 400 R. Only 55% of the low potassium diet rats survived. At the 1000 R dose level 64% of the high potassium group survived for 60 days while no rats survived in the other two diet groups. All data were tested by analysis of variance.
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Research Article| November 01 1973
Dietary Protection against Ionizing Radiation
David P. Shepherd ;
Sidney O. Brown ;
George M. Krise ;
Radiat Res (1973) 56 (2): 282–290.
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David P. Shepherd, Sidney O. Brown, George M. Krise, Herman R. Crookshank; Dietary Protection against Ionizing Radiation. Radiat Res 1 November 1973; 56 (2): 282–290. doi: https://doi.org/10.2307/3573666
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