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. 2016 Dec 20;6(4):61. doi: 10.3390/bios6040061

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© 2016 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Amperogram (screenshot) of a typical PHAD (Portable Hazardous Agent Detector) instrument run. All the data presented here was obtained while the PHAD instrument was in single-channel mode, i.e., Channel 1 in the sample above.