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Projected relative risk as a function of age at (last) exposure, under nonuniform (top) and uniform (bottom) field conditions. Median predicted (projected) risk was 1.34 (mean = 1.96, SD = 2; range, 1.0–18.85) under small nonuniform field conditions and 2.72 (mean = 5.45, SD = 7.36; range, 1.02–60.5) under large uniform field conditions.
