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. 2015 Oct 12;60(2):205–219. doi: 10.1093/annhyg/mev074

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© The Author 2015. Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

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 reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Boxplot showing IQR (box), median (line dividing box), whiskers spanning all data points within 1.5 IQR of the nearer quartile, and outlier (filled-in circles) of reactive oxygen species (ROS) production potential values (shown as H₂O₂ equivalents per filter in nmol) at the breathing zone (BZ) of two groups of volunteers: those that completed their task without any evidence of burn marks (metal not oxidized) and those that completed their task with evidence of burn marks (metal oxidized).