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  • Title: Relative genetic efficiency of 50 Me V protons as derived from analyses of chromosome anomalies in human lymphocytes.
    Author: Todorov SL.
    Journal: Strahlentherapie; 1975 Feb; 149(2):188-93. PubMed ID: 806143.
    Abstract:
    Based on quantitation of chromosome anomalies observed following in vitro irradiations of human lymphocytes, RGE values were derived for 50 Me V protons relative to 180 kV X-rays. These values indicated 50 Mc V protons to be generally of similar efficiency as X-rays in producing chromosome anomalies in human lymphocytes. However, detailed analysis by types of anomalies observed yielded different RGE values. Thus, 50 Me V protons were found to be 15 percent less efficient than X-rays in producing two-break exchange type aberrations. And inversely, they were about 15 percent more efficient in producing onebread types of aberrations.
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