Etherington, J.W., and Trimble, H.C.Acidity in Plaques, J. D. Res., 14:218, 1934 (abstr.).
2.
Stephan, R.M.Hydrogen-Ion Concentration of the Dental Plaque , J. D. Res., 17:251, 1938.
3.
-. Changes in Hydrogen-Ion Concentration on Tooth Surfaces and in Carious Lesions, J.A.D.A., 27:718, 1940.
4.
Stephan, R.M. , and Miller, B.F.Quantitative Method for Evaluating Effectiveness of Physical and Chemical Agents Which Modify Hydrogen-Ion Concentration on Tooth Surfaces. Observations on Effects of Synthetic Detergents and Urea, J. D. Res., 21:315, 1942 (abstr.).
5.
-. Quantitative Method for Evaluating Physical and Chemical Agents Which Modify Production of Acids in Bacterial Plaques on Human Teeth , ibid., 22:45, 1943.
6.
-. The Effect of Synthetic Detergents on pH Changes in Dental Plaques, ibid., p. 53.
7.
Stephan, R.M.Intra-oral Hydrogen-Ion Concentrations Associated with Dental Caries Activity, J. D. Res., 23 :257,1944.
8.
Stralfors, A.Studies of the Microbiology of Caries. II. The Acid Fermentation in the Dental Plaques in Situ Compared with Lactobacillus Counts, J. D. Res., 27:576, 1948.
9.
Moore, B.W., Carter, W.J., Dunn, J.K., and Fosdick, L.S.The Formation of Lactic Acid in Dental Plaques. I. Caries-active Individuals, J. D. Res., 35:778, 1956.
10.
Clement, A.J. , Plotkin, R., and Fosdick, L.S.The Formation of Lactic Acid in Dental Plaques. II. Oral Conditions of Primitive Bushmen of the Western Kalahari Desert, J. D. Res., 35:786, 1956.
11.
Englander, H.R., Carter, W.J., and Fosdick, L.S.The Formation of Lactic Acid in Dental Plaques . III. Caries-immune Individuals, J. D. Res., 35:792, 1956.
12.
Miller, B.J. , Muntz, J.A., and Bradel, S.Decomposition of Carbohydrate Substrates by Dental Plaque Material, J. D. Res., 19:473, 1940.
13.
Schneyer, L.H.Coagulation of Salivary Mucoid by Freezing and Thawing of Saliva, Proc. Soc. Exptl. Biol. Med., 91:565, 1956.
14.
Manly, R.S., and Strang, H.Influence of Film Thickness, Solution Buffer Capacity and pH on the Steady State of pH of Salivary Sediment and Dental Plaque. Paper presented at the General Meeting of International Association for Dental Research, March, 1956.