6Lin FH,Liao CJ,Chen KS,et al.Preparation of beta TCP/HAP biphasic ceramics w ith natural bone structure by eating bovine cancellous bone with the addition of (NH4)2HPO4.J Biomed Mater Res,2000,5:157-163.
7Anker CJ,Holdridge SP,Baird B,et al.Ultraporous beta-tricalcium phosphate is well incorporated in small cavitary defects.Clin Orth op Relat Res,2005,434:251-257.
8Barry F,Boynton RE,Liu B,et al.Chondrogenic differentiation of mesenchymal stem cells from bone marrow:Differentiation-dependent gene expression of matrix components.Exp Cell Res,2001,268:189-200.
9Tsuchiya K,Chen G,Ushida T,et al.The effect of coculture of chondrocytes with mesenchymal stem cells on their cartilaginous phenotype in vitro.Mater Sci Engineer,2004,24:391-396.
10Verfaillie CM.Adult stem cells:assessing the case for pluripotency.Trends Cell Biol,2002,12:502-508.