1. Heling, L., Heindel, R., Merin, B., Calcium fluorapatite, a new material for bone implants. J. Oral Implant, 1981, 9, 548–55.
2. Denissen, H.W., Kalk, W., Veldhuis, A.A.H., Van den Hooff, A. Eleven-year study of hydroxyapatite implants. J. Prosthet Dent, 1989, 61, 706–12.
3. De Groot, K., Geesink, R., Klein, C.P.A.T. and Serekian, P., Plasma-sprayed coatings of hydroxvlapatite. J. Biomed Mater Res, 1987, 21, 1375-81.
4. Denissen, H.W., Kalk, W., De Nieuport, H.M., Maltha, J.C., Van de Hooff, A., Mandibular bone response to plasmasprayed coatings of hydroxyapatite. Int. J. Prosthodont, 1990, 3, 53–8.
5. Klein, C.P.A.T., Patka, P., Den Hollander, W., Macroporous calcium phosphate bioceramics in dog femora: a histological study of interface and biodegration. Biomaterials, 1989, 10, 59–62.