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Hematoxylin-eosin staining of bone formation in mandibular defects treated with Ap-CH/CS scaffold (Blank), Ap-CH/CS scaffold loaded with BMP-2, ASCsNog−, or BMP-2+ASCsNog− at 8 weeks postsurgery. Dashed lines indicate approximate margin of defect. Areas within the black boxes are magnified below. Original magnifications: 40× (a); 200× (b); 400× (c). Color images available online at www.liebertpub.com/tea
