. 2008 Jan 11;2:1. doi: 10.1186/1754-1611-2-1
Copyright © 2008 Rodriguez and Matlock; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
Passive diffusion (Matlock) periphytometer components.