1. Abjornson C, Lane JM (2006) Demineralized Bone Matrix and Synthetic Bone Graft Substitutes. In: bone grafts and bone graft substitutes, AAOS, 81–85
2. Ackerman, SJ et al. (2002) Economic evaluation of bone morphogenetic protein versus autogenous iliac crest bone graft in single—level nterior lumbar fusion. SPINE 27, 167: 94–99
3. Adler C-P (Hrsg) (2005) Knochenkrankheiten 3. Aufl. Springer Berlin Heidelberg New York Tokio, pp 8–11
4. Albert T et al. (2007) Biologics in lumbar spine fusion, aaos instructional course (270) Lecture Handout
5. Attavia M et al. (2003) Cell-based approaches for bone graft substitutes. In: Laurencin, CT (ed). Bone graft substitutes. American Society for Testing & Materials (ASTM), pp 126–141