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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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Interdate variation for calibration films generated using XV film and single $10 \times 10 {cm}^{2}$ central axis fields exposed at 90 SSD and 10 cm depth.