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Alizarin Red S staining results in hPCs after 14 and 20 days of culture. (A,B) Control hPCs at 14 and 20 days; (C,D) hPCs in contact with PLGA-Fisiograft at 14 and 20 days; (E,F) hPCs in contact with PLGA/HA-Alos at 14 and 20 days; (G,H) hPCs in contact with PARASORB Sombrero at 14 and 20 days. All images are at 10× magnification. The scale bars are equivalent to 50 μm.
