Figure 5From: A comparison study between periosteum and resorbable collagen membrane on iliac block bone graft resorption in the rabbit calvarium Photomicrographs of periosteum group (H & E). A. At 2Â weeks, B. At 4Â weeks, C. At 8Â weeks after bone graft. * means 40 magnification, ** means 200 magnification.Back to article page