References
- 1994, Dental implants: report project OG 89-76-Groningen/Nijmegen
- Guided Bone Regeneration in Implant Dentistry, D. Buser, C. Dahlin, RK Schenk. Quintessence, Chicago 1994
- Silver F. H. Biomaterials, Medical Devices and Tissue Engineering. Chapman & Hall, London 1994