Fig. 5From: Cellulose membrane as a biomaterial: from hydrolysis to depolymerization with electron beamPhotomicrographs of the standardized transosseous circular 8.0Â mm sized calvarial defect with E-beam irradiated CM (a), the covered defect with different conditioned E-beam irradiated CM (b), and the inner side of the frontal bone including the perforated area and periosteal membrane at 12Â weeks (c) and 24Â weeks (d)Back to article page