2016_BT PROSTATE CANCER COURSE BOOK
D(r θ)=S k ,
Λ[G(r θ)/G(r 0 , ,
θ 0
)]g(r)F(r θ) ,
S k = air kerma strength of the source Λ= dose rate constant
G(r,θ)=geometry factor
g(r)=radial dose function
F(r,θ)=anisotropy function
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