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2. Groot de, K., C.P.A.T. Klein, J.G.C. Wolke, J.M.A. de Blieck-Hogervorst.: Chemistry of Calcium Phosphate Bioceramics, Handbook of Bioactive Ceramics, Vol. II, Ed. Yamamuro et al, C.R.C. Press, 1990, p. 3-17.
3. Koch, B., J.G.C. Wolke, K. de Groot.: X-ray diffraction studies on plasmasprayed calcium phosphate coated implants, J. Biomed. Mat. Res., 24, 655–667 (1990).
4. Dhert W.J.A., C.P.A.T. Klein, J.G.C. Wolke, E.A. van der Velde, K. de Groot, and P.M. Rozing, “A mechanical investigation of fluorapatite, magnesiumwhitlockite and hydroxylapatite plasma-sprayed coatings in goats, Accepted for publication by J. Biomed. Mater. Res., (1991).
5. Dhert W.J.A., C.C.P.M. Verheyen, P.M. Rozing, K. de Groot, Finite element analysis of the push-out test, Accepted for publication by J. Biomed. Mater. Res., (1991).