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. 2017 Apr 18;18(4):858. doi: 10.3390/ijms18040858

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© 2017 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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Histological images (hematoxylin and eosin staining) at four weeks after operation. (a) unfilled defects from the control group (bar = 1 mm); (b) AL (bar = 1 mm); (c) AL/HA (bar = 1 mm); and (d) AL/HA/SF (bar = 1 mm) beads; (e–h) magnified views of the boxed areas in (a–d) (original magnification 100×, bar = 100 µm).

Histological images (hematoxylin and eosin staining) at four weeks after operation. (a) unfilled defects from the control group (bar = 1 mm); (b) AL (bar = 1 mm); (c) AL/HA (bar = 1 mm); and (d) AL/HA/SF (bar = 1 mm) beads; (e–h) magnified views of the boxed areas in (a–d) (original magnification 100×, bar = 100 µm).