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. 2013 Jan 7;21(1):6. doi: 10.1186/2008-2231-21-6

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Copyright ©2013 Panchaxari et al.; 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.

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SEM micrographs of optimized formulations before and after stability study: (a) and (c) represent C₄/OLA and C₅/OLA patches before stability, respectively; (b) and (d) represent C₄/OLA and C₅/OLA patches after stability, respectively.