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2.
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Cox, G.J.: Oral Environment and Dental Caries, Survey of Literature of Dental Caries , Nat. Res. Council publication 225, Washington, D. C., 1952.
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Hammond, C., and Tunnicliff, R.: Artificial Caries Produced by Streptococcus Viridans, J. D. Res. 19: 1-10, 1940.
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Idem: In Vitro Studies of the Initiation of Enamel Caries. II. Failure of Certain Bacteria to Penetrate the Enamel in a Nonacid Environment, Oral Surg., Oral Med., & Oral Path.6: 1236-1238, 1953.
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Idem: In Vitro Studies of the Initiation of Enamel Caries. III. Bacterial Penetration of Enamel With the Tooth as the Substrate, Oral Surg., Oral Med., & Oral Path. 6: 1450-1454, 1953.
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Idem: In discussion of paper by Enright, J. J., Friesell, H. E., and Trescher, M. O.9
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Idem: A Study of Certain Questions Relating to the Pathology of the Teeth, D. Cosmos46: 981-1001, 1904.
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Orland, F.J. , Blayney, J.R., Harrison, R.W., Reyniers, J.A., Trexler, P.C., Ervin, R.F., Gordon, H.A., and Wagner, M.: Experimental Caries in Germ-free Rats Inoculated With Enterococci, J. A. D. A. 50: 259-272, 1955.
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Osborn, T.W.B. , Noriskin, J.N., and Staz, I.: A Comparison of Crude and Refined Sugars and Cereals in Their Ability to Produce In Vitro Decalcification of Teeth , J. D. Res. 16: 165-171, 1937.
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Pigman, W., Hawkins, W., and Thomas, A.: ' Attack of Smooth Enamel Surfaces in the Artificial Mouth, New York State D. J. 20: 355-359, 1954.
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Pigman, W.: In Vitro Studies of Dental Decay, Science120: 810, 1954 .
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Pigman, W., Hawkins, W., West, H., and Gaston, C.: Carious-like Lesions of Enamel Produced in the Artificial Mouth, Oral Surg ., Oral Med., & Oral Path. 7: 427-438, 1954.
31.
Pigman, W., Sognnaes, R.F., Gilman, E., Powell, R., and Muntz, M.L.: A Progress Report on the In Vitro Studies of the Etiology of Dental Caries , J. D. Res. 34: 719, 1955 (Abstract).
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Pigman, W., Hawkins, W., Watson, I., Powell, R., and Gaston, C.: The Effect of the Concentration of D-glucose on the Attack of Tooth Surfaces in the Artificial Mouth, J. D. Res. 34: 537, 1955.
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Pigman, W., and Sognnaes, R.F.: Histologic Studies of Carious-like Lesions Produced in the Artificial Mouth, Oral Surg., Oral Med., & Oral Path. 8: 530-538, 1955.
34.
Rodriguez, F.E.: Studies in the Specific Bacteriology of Dental Caries, Military D. J. 5: 199, 1922.
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Rosebury, T. : Dental Caries. A Critical Review, D. Cosmos76: 771-780, 1934.
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