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. 2014 Jun 17;9(6):e99873. doi: 10.1371/journal.pone.0099873

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© 2014 Klomp 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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Levels are given as percentage (%) of the average baseline value ( = 100%). NA release after the challenge is significantly enhanced (RM-ANOVA; effect of time (F_10,200 = 12.197, p-value<0.001) and reaches its maximum after approximately 30 minutes.