4) Arends, J. and Gelhard, T.B.F.M.: In vivo remineralization of human enamel.: Demineralization and remineralization of the teeth. edited by Leach, S.A. and Edgar, W.M., Oxford: IRL Press, 1983, pp.1.
5) ten Cate, J.M.: A model for enamel lesion remineralization.: Demineralization and remineralization of the teeth. edited by Leach, S.A. and Edgar, W.M., Oxford: IRL Press, 1983, pp.129.