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Simulated responses to intermittent lognormally distributed doses at variable dose rates


Health Physics 47(5): 745-752
Simulated responses to intermittent lognormally distributed doses at variable dose rates
Two previously reported equations for low-LET [linear energy transfer] radiation, R = DmI-n and R = D[a + b(InI) + h(InI)2], where the response (R) is expressed in terms of dose (D) and dose rate (I) and the other parameters are constants, were used to compute distributions of response to intermittent, low-level, lognormally distributed doses, administered at different dose rates. The simulations show that the means of the response distributions are affected by both the dose and dose rate distributions. Within certain ranges of their respective values, the influence of the dose and dose rate on the response are in opposite directions, and lead to similar response distribution for numerically different combinations of dose and dose rate. The resolution and mean values of response distributions, when based on nonlinear dose-response relationships are also affected by dose fractionation.


Accession: 006418212

PMID: 6548988

DOI: 10.1097/00004032-198411000-00006



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