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Chapter 3: Calibration of Brachytherapy Sources
3.3 In-air measurement technique
3.4 Calibration using well type chambers
3.5 Calibration using solid phantoms
Measurements in solid phantoms are not suitable for low-energy sources.
3.6 Relative measurements
Readings of consecutive source deliveries can be compared and deviations larger than
3% or 5% should be investigated. Serious incidents may be identified before treatment.
ESTRO Booklet N
0
8 (2004)