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Medical Term:

relative biologic effectiveness


a factor used to compare the biologic effect of absorbed doses of different types and energies of ionizing radiation. It is determined by the ratio of an absorbed dose of the particular radiation in question to the absorbed dose of a reference radiation required to produce an identical biologic effect in a specific organism, organ, or tissue.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.