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Images of (a) ColI immunostaining, (b) hematoxylin and eosin staining, and (c) von Kossa staining of the different treatment groups at week 7, under light microscope at 20 × . All scale bars = 50 μm. The presence of collagen and calcium is shown by brown and black staining respectively, both of which are marked by black arrows. ColI, collagen type I. Color images available online at www.liebertonline.com/ten.
