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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Biomaterials. 2011 Sep 25;32(36):9622–9629. doi: 10.1016/j.biomaterials.2011.09.009

Figure 1.

Figure 1

Figure 1

Figure 1

SEM images of nanofibrous hollow microspheres at (a) low, (b) medium, and (c) high magnification. From Liu et al.[47] Copyright © 2011 Nature Publishing Group. Reprinted with permission.