May, 2008 Pharmacological Protein Adsorption on Nano Crystalline Zinc containing Hydroxyapatite 8th World Biomaterials Congress, P-Sat-J-643, 2008.5.31, Amsterdam, The Netherlands T. Tonegawa, T. Ikoma, T. Yoshioka, N. Hanagata, K. Shinozaki, J. Tanaka