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. 2015 Sep 1;10(9):e0136737. doi: 10.1371/journal.pone.0136737

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© 2015 Rief et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 2 — Boxplot of pain intensities patients reported for CTA/CTP and CCA on the horizontal visual analogue scale (0–100mm) and corresponding intraindividual comparison between the 68 patients who experienced pain during at least one examination; n = 36 pain CCA> CTA/CTP; n = 24 pain CTA/CTP> CCA; n = 8 pain CTA/CTP = CCA; p = 0.121 using the chi-square test.