Modern Bt Techniques - Florence 2016

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BIOLOGICAL EFFECTIVENESS PDR

Same physical dose - same overall time

PDR > CLDR

ONLY A FEW % DIFFERENCE

IF: - small pulses 0.5 - 1 Gy

- pulse dose rate < 3 Gy/hr

- SLD repair T 1/2 > 1 h

Fowler and Mount 1992