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Relative biological effectiveness factors and CBE factor (only for boron dose) for four principal dose components11.
| RBE | CBE | |||
|---|---|---|---|---|
| Photon w γ | Fast neutron w F | Thermal neutron w T | Boron w B | |
| Brain tissue | 0.5 | 3.2 | 3.2 | 1.3 |
| Tumour tissue | 0.5 | 3.2 | 3.2 | 3.8 |
