Koulottrides, T., Cueto, H., and Pigman, W.Rehardening of Softened Enamel Surfaces of Human Teeth by Solutions of Calcium Phosphates, Nature, 189 :226-27, 1961.
2.
Pigman, W., Cueto, H., and Baugh, D.Conditions Affecting the Rehardening of Softened Enamel, J. dent. Res., 43:1187-95, 1964.
3.
Barnum, C.P. , and Armstrong, W.D.Exchange of Phosphorus in Vivo and in Vitro by Enamel and Dentine (Rat), Amer. J. Physiol., 135:478-84, 1942.
4.
Sognnaes, R.F. , and Shaw, J.H.Salivary and Pulpal Contributions to the Radiophosphorus Uptake in Enamel and Dentine, J. Amer. dent. Ass., 44:489-505, 1952.
5.
Pigman, W., and Newbrun, E.Evaluation of Anticaries Agents by the Use of the Artificial Mouth, J. dent. Res., 41:1304-11, 1962.
6.
Bilotti, A.G. , and Hainer, R.Slab Chewing Gum Containing Active Ingredients and Method of Preparing Same (U.S. Patent 3,075,884, January 29, 1963).
7.
Bilotti, A.G.Method of Promoting Release of Active Ingredients from Slab Chewing Gum and Product (U.S. Patent 3,011,949, December 5, 1961).
8.
Bush, F.Method of Preparing Sugar-coated Dicalcium Phosphate Particles (U.S. Patent 3,085,048, April 9, 1963).