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• BT dosimetry in the clinic generally follows the TG-43 formalism
– Luc will next show you its limitations and advancements in accuracy
• uniform BT (over time and space) requires standization
– consistent formalism (and formats)
– consistent dosimetry parameters
– consistent reference data
– consistent TPS approach
• HDR/LDR and HE/LE have different planning approaches
• medical physicist must know the data trail and commission the source(s)