. 2008 Jun 1;8(6):3665–3677. doi: 10.3390/s8063665
© 2008 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 4.
Water quality changes of catfish water