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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: IEEE J Biomed Health Inform. 2016 May 26;20(5):1251–1264. doi: 10.1109/JBHI.2016.2573286

Fig. 22.

Fig. 22

Chemical test results showing the response of a single PIB-coated channel to toluene vapor.