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BT-GYN Teaching Course
D. Berger
Fractionation
1,E-04
1,E-03
1,E-02
1,E-01
1,E+00
0
5
10
15
20
dose (Gy)
proportion of surviving cells
single
irradiation
fractionated
irradiation
normal tissue
(low
α/β
value)
Tumour (high
α/β
value)
after Elkind and Sutton 1960