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. 2006 May 25;7(2):86–95. doi: 10.1120/jacmp.v7i2.2202

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© 2006 The Authors.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Comparison of results for the eight‐field method exposed at 5 cm depth with the standard calibration conditions of $10 \times 10 {cm}^{2}$ field at 10 cm depth for (a) XV film and (b) EDR film. The dotted curve is a polynomial fit through the eight‐field data.