. 2009 Oct 12;9(10):7970–7987. doi: 10.3390/s91007970
© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Figure 6.
Sensing value changes over time.