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Estimate of BSF measurement uncertainties using EBT2 film
| Component | Uncertainty (%) |
|---|---|
| Output stability | 0.5 |
| Film positioning | 1.0 |
| Film nonuniformity | 1.5 |
| OD variation over pixels | 1.5 |
| Scanner variation | 1.5 |
| Film calibration | 1.0 |
| Water equivalence of phantom | 1.0 |
| Total | 3.2 |
