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  • Title: [Micronucleus formation in the bone marrow cells of chronically irradiated mice with subsequent acute gamma irradiation].
    Author: Fomenko LA, Kozhanovskaia IaK, Gaziev AI.
    Journal: Radiobiologiia; 1991; 31(5):709-15. PubMed ID: 1745760.
    Abstract:
    With the use of the micronuclear test method it has been shown that mice preirradiated with gamma rays at a low dose rate exhibit a decreased frequency of chromosome aberrations induced in bone marrow cells by subsequent acute exposure to gamma radiation as compared to mice not subjected to preliminary irradiation. Such animals have a higher radioresistance with respect to the survival rate. The results obtained suggest the possibility of induction by ionizing radiation, at a low dose rate, of adaptive repair response at the organism level.
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