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. 2018 Mar 7;10(3):279. doi: 10.3390/polym10030279

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© 2018 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 (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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SEM images of hBMSCs colonization on blank and Sr(II) scaffolds at different times post-seeding. (a) Ch/PCL and (b) Sr/Ch/PCL. Ch: chitosan; PCL: poly(ε-caprolactone).