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Evidence-Based Complementary and Alternative Medicine
Volume 2014, Article ID 392324, 10 pages
http://dx.doi.org/10.1155/2014/392324
Research Article

Memory-Enhancing Effects of the Crude Extract of Polygala tenuifolia on Aged Mice

1Institute of Medicinal Plant Development, Chinese Academy of Medical Science, Peking Union Medical College, Beijing 100193, China
2Department of Pharmacology, University of Cambridge, Cambridge CB2 1PD, UK

Received 12 June 2013; Revised 11 December 2013; Accepted 28 December 2013; Published 12 March 2014

Academic Editor: Jing Yu Yang

Copyright © 2014 Zongyang Li et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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