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2.
Dewar, M.R.: Some Observations on the pH of Saliva, D. J. Australia21: 113, 1949.
3.
Haggard, H.W. , and Greenberg, L.A.: The Acidity of Saliva After Ingestion of Carbohydrate and Acid-Containing Substances, J. D. Res. 30: 126, 1951.
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Muntz, J.A.: Production of Acids From Glucose by Dental Plaque Material, J. Biol. Chem. 148: 225, 1943.
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Stephan, R.M. : Hydrogen-ion Concentration of the Dental Plaque , J. D. Res. 17: 251, 1938.
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Idem: Changes in Hydrogen-ion Concentration on Tooth Surfaces and in Carious Lesions, J. A. D. A.27: 718, 1940.
7.
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.
8.
Idem: The Effect of Synthetic Detergents of pH Changes in Dental Plaques, J. D. Res.22: 53, 1943.
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Stephan, R.M. : Intra-Oral Hydrogen-ion Concentrations Associated With Dental Caries Activity, J. D. Res. 23: 257, 1944.
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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.
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Miller, B.F., Muntz, J.A., and Bradel, S.: Decomposition of Carbohydrate Substrates by Dental Plaque Material, J. D. Res. 19: 473, 1940.
12.
Fosdick, L.S. , Campaigne, E.E., and Fancher, 0. : Rate of Acid Formation in Carious Areas: The Etiology of Dental Caries, Ill. D. J.10: 85, 1941.
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Barker, S.B., and Summerson, W.H.: The Colorimetric Determination of Lactic Acid in Biological Material, J. Biol. Chem. 138: 535, 1941.
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Johnson, M.J. : A Rapid Micromethod for Estimation of Non-Volatile Organic Matter, J. Biol. Chem. 181: 707, 1949 .
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Hillig, F.: The Colorimetric Determination of Lactic Acid in Milk and Milk Products, J. Assoc. Offic. Agric. Chem. 20: 130, 1937.
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Stralfors, A. : Studies of the Microbiology of Caries III. The Buffer Capacity of Dental Plaques, J. D. Res. 27: 587, 1948.
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Fosdick, L.S. , and Wessinger, G.D.: Carbohydrate Degradation by Mouth Organisms. II. Yeast, J. A. D. A. 27: 203, 1940.
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Summerson, W.H., and Neuwirth , I.: The Production of Acids From Glucose by Oral Microorganisms, J. D. Res. 20: 157, 1941.
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Neuwirth, I. , and Summerson, W.H.: The Utilization of Lactic and Pyruvic Acids by Oral Microorganisms, J. D. Res. 21: 241, 1942.
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Miller, W.D.: The Microorganisms of the Human Mouth, Philadelphia, 1890, S. S. White.
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Enright, J.J. , Friesell, H.E., and Trescher , M. 0.: Studies of the Cause and Nature of Dental Caries, J. D. Res. 12: 759, 1932.
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Karshan, M. , and Rosebury, T.: Relationship of pH, Ca, and P to Solubility of Enamel, J. D. Res. 14: 220, 1934.
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Fosdick, L.S. , and Starke, A.C., Jr.: Solubility of Tooth Enamel in Saliva at Various pH Levels, J. D. Res. 18: 417, 1939.
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Joseph, N.R. : The Dissociation Constants of Organic Calcium Complexes, J. Biol. Chem. 164: 529, 1949.
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Schubert, J. , and Lindenbaum, A.: Stability of Alkaline Earth-Organic Acid Complexes Measured by Ion Exchange, J. A. Chem. Soc. 74: 3529, 1952.
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Volker, J.F. , and Sognnaes, R.F.: A Study of the Phosphorus Metabolism in the Dental Tissues of a Cat by the Use of Radioactive Phosphorus, J. D. Res. 19: 292, 1940.
31.
Idem: The Distribution of Radioactive Phosphorus in the Teeth of Experimental Animals, J. D. Res.20: 471, 1941.
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