Ratio of Linear to Quadratic Terms from Multifraction Experiments (from Hall and Giaccia)
Reactions
α/β, Gy
Early
Skin
9-12
Jejunum
6-10
Colon
10-11
Testis
12-13
Callus
9-10
Late
Spinal cord
1.7-4.9
Kidney
1.0-2.4
Lung
2.0-6.3
Bladder
3.1-7