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Introduction on Dose Optimization
10
The “Ohm’s-Law” in Brachytherapy: the Dosimetric Kernel
192
Ir
60
Co
…
0,5 1,0 1,5 2,0 2,5 3,0
0
1
2
3
4
5
6
7
8
9
Depth Dose
Distance (cm)
2
1
r
T D
⋅
≈
Approximation: dose is proportional with time
and inversely proportional with square of
distance