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Dose per MU formalisms:
factor-based dose calculations
basic scenario
(
)
M
SAD d
sc
D
; ,
,
d
Isocentric reference normalisation geometry
(
)
M
SSD d c
D
ref
ref
ref
ref
;
,
Isocentric treatment geometry: Open
beam & calculation point at isocentre and
on CAX
c
ref
d
ref
SAD
c
SAD
d