1. 1) Walsh WR, Harrison J, Loefler A, Martin T, Van Sickle D, Brown MK, Sonnabend DH. Mechanical and histologic evaluation of Collagraft in an ovine lumbar fusion model. Clin. Orthop. Relat. Res., 375, 258–266 (2000).
2. 2) Tampieri A, Celotti G, Landi E, Sandri M, Roveri N, Falini G. Biologically inspired synthesis of bone-like composite: Self-assembled collagen fibers/hydroxyapatite nanocrystals. J. Biomed. Mater. Res. A, 67A, 618–625 (2003).
3. 3) Olszta MJ, Cheng X, Jee SS, Kumar R, Kim Y-Y, Kaufman MJ, Douglas EP, Gower LB. Bone structure and formation: A new perspective. Mater. Sci. Eng. Rep., 58, 77–116 (2007).
4. 4) Kikuchi M, Itoh S, Ichinose S, Shinomiya K, Tanaka J. Self-organization mechanism in a bone-like hydroxyapatite/collagen nanocomposite synthesized in vitro and its biological reaction in vivo. Biomaterials, 22, 1705–1711 (2001).
5. 5) Nassif N, Gobeaux F, Seto J, Belamie E, Davidson P, Panine P, Mosser G, Fratzl P, Guille MMG. Self-assembled collagen-apatite matrix with bone-like hierarchy. Chem. Mater., 22, 3307–3309 (2010).