278 / 1173
Less effect per gray at low doses/#
n =
1
2
5
10
20
Principle of
equal effect per fraction
10
0
20
30
40
50
60
X-ray dose (Gy)
0
Full
Damage = -ln(SF)
|
|
278 / 1173
Less effect per gray at low doses/#
n =
1
2
5
10
20
Principle of
equal effect per fraction
10
0
20
30
40
50
60
X-ray dose (Gy)
0
Full
Damage = -ln(SF)