Fig. 6

a Alcian blue (AB) and (b) SO-stained histological sections of implants of Cx-HA, Cx-HA (+CM), and Cx-HA-CM without (−) and with (+) hPLSCs. The implants were excised and analyzed after 1, 2, 3, or 4 weeks (magnification ×800; scale bars represent 25 μm)