Guttorm, T.Introductory Review. In T. Guttorm , G. J. Cox, S. B. Finn , C. F. Bodecker, and J. H. Sanw, A Survey of the Literature of Dental Caries, p. 11. Washington, D.C.: National Academy of Sciences-National Research Council, 1952.
2.
Schwartz, A., and Weisberger, D.Salivary Factors in Experimental Animal Caries. In R. F. SOGNNAES: Advances in Experimental Caries Research, p. 125. Washington, D.C.: American Association for the Advancement of Science, 1955 .
3.
Orland, F.J.Oral Environmental Factors in Experimental Rat Caries. In R. F. SOGNNAES: Advances in Experimental Caries Research, p. 169. Washington, D.C.: American Association for the Advancement of Science, 1955 .
4.
Wilson, T.E. , and Goaz, P.W.The Oral Yeast-Lactobacillus Relationship. II. Yeast-Lactobacillus-Saliva Interrelationships, J.D. Res. , 38:1044, 1959.
5.
Glavind, J., Grandos, H., Hanse, A., Schilling, K., Kruse, I., and Dam, H.Presence of Vitamins in Saliva, Intern. Z. Vitaminforsch. , 20:234, 1948.
6.
Weisberger, D.Whole Saliva as a Source of Certain Growth Factors for an Oral Strain of Lactobacillus, J.D. Res., 25 :83, 1946.
7.
Woldring, M.G.Free Amino Acids of Human Saliva: A Chromatographic Investigation, J.D. Res., 34:248, 1955.
8.
Kauffman, S.L. , Kasai, G.J., and Koser, S.A.The Amounts of Folic Acid and Vitamin B6 in Saliva, J.D. Res., 32:840, 1953.
9.
Shiota, T.Formation of Certain Vitamins in Saliva, J. D. Res. , 38:734, 1959.
10.
Dreizen, S. , Reed, A.I., and Spies, T.D.The Nicotinic Acid Content of Saliva and Dental Caries Activity, Intern. Z. Vitaminforsch., 22:396, 1951.
11.
Weber, T.B.Inorganic Constituents of Parotid Saliva, J. D. Res. , 38:746, 1959.
12.
Kesel, R.G.Biological Production of Ammonia in the Oral Cavity in Relation to Dental Caries Activity, North-West Den., 27:127, 1948.
13.
McElroy, W.D., and Spencer, D.Normal Pathways of Assimilation of Nitrate and Nitrite. In W. D. McElroy and B. Glass. A Symposium on Inorganic Nitrogen Metabolism , p. 145. Baltimore : Johns Hopkins Press, 1956.
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Fry, B.A.The Nitrogen Metabolism of Microorganisms, p. 40. New York: John Wiley & Sons, 1955.
15.
Verhoeven, W.Some Remarks on Nitrate and Nitrite Metabolism in Microorganisms. In W. D. McElroy and B. Glass.A Symposium on Inorganic Nitrogen Metabolism, p. 64. Baltimore : Johns Hopkins Press, 1956.
16.
Ibid., p. 63.
17.
Whelan, M.A Colorimetric Method for the Quantitative Determination of Nitrates and Nitrites in Biologic Fluids, J. Biol. Chem., 86:189, 1930.
18.
Fry, B.A.Op. cit.
19.
Steiglitz, E.J. , and Palmer, A.E.A Colorimetric Method for the Determination of Nitrite in Blood, J. Pharmacol. Exptl. Therap. , 51 :398, 1934.
20.
Stickland, L.H.The Reduction of Nitrates by Bact. coli, Biochem. J., 25:1543, 1931.
21.
Csaky, T.Z.On the Estimation of Bound Hydroxylamine in Biological Material, Acta Chem. Scand., 2:450, 1948.
