Figure 1From: Immunohistochemial study on the expression of von Willebrand factor (vWF) after onlay autogenous iliac grafts for lateral alveolar ridge augmentation Intraoperative situs: (a) Sheep were intubated and shaved preoperatively. (b) Exposed lateral surface of the mandible before transplantation. (c) Monocortical bone grafts. (d) From left to right: experiment 1, experiment 2, and negative control with a non-porous silicone membrane.Back to article page