A Survey of the Literature of Dental Caries, Publication 225, Nat. Academy of Sciences, Nat. Res. Council, Washington, D. C., 1952.
2.
Burnett, G.W. : Respiration of the Microbial Flora of Human Saliva, J. D. Res. 33: 469, 1954.
3.
Hartles, R.L. : Carbohydrate Degradation in the Mouth, Proc . Roy. Soc. Med. 47: 645, 1954.
4.
Eggers-Lura, H.: Untersuchungen iiber den aeroben und anaeroben Abbau der Kohlehydrate im Speichel, Deutsche Zahn-, Mund- u. Kieferh. 21: 97, 1954.
5.
Hutner, S.H. , Provasoli, L., Schatz, A., and Haskins, C.P.: Some Approaches to the Study of the Role of Metals in the Metabolism of Microorganisms, Proc. Amer. Phil. Soc. 94: 152, 1950.
6.
Schatz, A., Karlson, K.E., and Martin, J.J.: Destruction of Tooth Organic Matter by Oral Keratinolytic Microorganisms, N. Y. State D. J. 21: 438, 1955.
7.
Snell, E.E.: Bacterial Physiology, New York, 1951 , Academic Press Inc., chap. 7, p. 214.
8.
Orland, F.J., Hemmens, E.S., and Harrison, R.W.: The Effect of Partly Synthetic Diets on the Dental Caries Incidence in Syrian Hamsters, J. D. Res. 29: 512, 1950.
9.
Dreizen, S., Mosny, J.J., Gilley, E.J., and Spies, T.D.: The Amino Acid Requirements of Oral Acidogenic Microorganisms Associated With Human Dental Caries, J. D. Res. 33: 339, 1954.
Hugo, W.B.: The Preparation of Cell-Free Enzymes From Microorganisms. Bact. Rev. 18: 87, 1954.
15.
Dickens, F.: The Enzymes, vol. 2, New York, 1951, Academic Press Inc., chap. 63, p. 624.
16.
Sognnaes, R.F. : Enamel as a Barrier to Caries, Illinois D. J. 22: 420, 1953.
17.
Krebs, H.A.: Chemical Pathways of Metabolism, vol. 1, New York, 1954, Academic Press Inc., chap. 4, p. 109.
18.
Green, D.E. : The Cyclophorase Complex of Enzymes, Biol. Rev. 26: 410, 1951.
19.
Schlenk, F.: The Enzymes, vol. 2, New York, 1951, Academic Press Inc., chap. 52, p. 250.
20.
Shaw, J.H.: The Modern Concept of the Etiology of Dental Caries-The Acidogenic Theory, Internat. D. J. 1: 1, 1950.
21.
Martell, A.E. , and Calvin, M.: Chemistry of the Metal Chelate Compounds , ed. 1, New York, 1952, Prentice-Hall, Inc.
22.
Schatz, A., Cheronis, N.D., Schatz, V., and Trelawny, G.S.: Chelation (Sequestration) as a Biological Weathering Factor in Pedogenesis, Proc. Pennsylvania Acad. Sci. 28: 44, 1954.
23.
Martin, J.J. , Isenberg, H.D., Schatz, V., Trelawny, G.S., and Schatz, A.: Chelation, or Metal-Binding, as a New Approach to the Problem of Dental Caries, Euclides (Madrid)14: 311, 1954.
24.
Woods, D.D. : The Integration of Research on the Nutrition and Metabolism of Microorganisms, J. Gen. Microbiol. 9: 151, 1953.
25.
Winogradsky, S., Cited in Russell , E.W.: Soil Conditions and Plant Growth, ed. 8, London, 1950, Longmans, Green and Company, p. 151.
26.
Stockhausen, F.: ökologie, "Anhäufungen" nach Beijerinck, Berlin, 1907.
27.
Appleton, J.L.T. : The Problems of Oral Microbiology as Problems in Ecology, Proc. Dent. Centenary Celebration, p. 282, March, 1940.
28.
Van Niel, C.B. : Natural Selection in the Microbial World. The Second Marjory Stephenson Memorial Lecture, J. Microbiol. 13: 201, 1955.
29.
Schatz, A., and Martin, J.: Keratin Utilization by Oral Microflora, Proc. Pennsylvania Acad. Sci. 29: 48, 1955.