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. 2013 Nov 21;46(1):31–37. doi: 10.3109/07853890.2013.861158

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© 2014 The Author(s). Published by Taylor & Francis.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted.

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Figure 4. — Positive and negative patch tests in the four groups at the end of the study; as per inclusion criteria, all patients were patch test-positive at baseline. Values are expressed as percentage of patients evaluated in the intention to treat analysis. There were significantly more patch test-negatives in group 1 (Risk difference (95% CI): 32.9 (9.0 to 54.8); p = 0.008). Pos: positive patch test; Neg: negative patch tests; ND: not done.