HANAWA, T. Titanium and its oxide film ; a substrate for formation of apatite. The Bone-Biomaterial Interface. 1991, 49-61
HAYASHI, K. Quantitative analysis of in vivo tissue responces to titanium-oxide-and hydroxyapatite-coated titanium alloy. J. Biomed Mater. Res. 1991, 25, 515-523