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. 2010 Aug 10;15(8):5509–5524. doi: 10.3390/molecules15085509

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© 2010 by the authors;

licensee MDPI, 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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Biplot of PCA scores and loadings for the GC-FID volatile profile of the essential oil from leaves of Tetradenia riparia (Hochst.) samples (♦), using 10 selected variables (*).