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. 2010 Feb 1;7(2):395–412. doi: 10.3390/ijerph7020395

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© 2010 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/).

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Figure 6. — Comparison of heavy metal concentrations in wheat and corn fertilized with chemical manure and organic manure and the ANOVA results (p-value). Data represent the mean ± STD.