Ferreira, C., Ortega-Lopes, R., Martins, B., Ferreira, C., Coelho, F., & Olate, S. (2015). Sandwich Osteotomy With Interposition Of A Bovine Block Bone Graft for Vertical Ridge Augmentation. International Journal of Medical and Surgical Sciences, 2(2), 475–479. https://doi.org/10.32457/ijmss.2015.015