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Dreizen, S., Spies, H.A., Jr., and Spies, T.D.: The Copper and Cobalt Levels of Human Saliva and Dental Caries Activity, J. D. Res. 31: 137, 1952.
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Forbes, J.C. , and Smith, J.D.: Studies on the Effect of Metallic Salts on Acid Production in Saliva. I, J. D. Res. 31: 129, 1952
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Bessman, S.P. , and Doorenbos, N.J.: Chelation, Ann. Int. Med . 47: 1036, 1957.
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Albert, A., and Gledhill, W.S.: The Choice of a Chelating Agent for Inactivating Trace Metals. I. A Survey of Commercially Available Chelating Agents, Biochem. J. 41: 529, 1947.
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Fosdick, L.S. , Hansen, H.S., and Epple, C.: Enamel Decalcification by Mouth Organisms in Dental Caries: Suggested Test for Caries Susceptibility, J. A. D. A. 24: 1275, 1937.
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Bentley, O.G. , Snell, E.E., and Phillips , P.H.: A Microbiological Method for the Determination of Manganese, J. Biol. Chem. 170: 343, 1947.
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Gates, E.M., and Ellis, G.H.: Microcolorimetric Determination of Manganese in Biological Materials With 4,4'Tetramethyldiaminotriphenylmethane, J. Biol. Chem.168: 537, 1947.
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Tittsler, R.P. , Pederson, C.S., Snell, E.E., Hendlin, D., and Niven, C.F., Jr.: Symposium on the Lactic Acid Bacteria, Bact. Rev. 16: 227, 1952.
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MacLeod, R.A. , and Snell, E.E.: Some Mineral Requirements of the Lactic Acid Bacteria, J. Biol. Chem. 170: 351, 1947 .
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Carlson, W.W. , Farina, L.V., and Whiteside-Carlson , V.: Manganese Antagonists in the Nutrition of Lactobacillus acidophilus, J. D. Res. 31: 634, 1952.
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Gale, E.F.: The Assimilation of Amino Acids by Bacteria. 8. Trace Metals in Glutamie Acid Assimilation and Their Inactivation by 8-Hydroxyquinoline, J. Gen. Microbiol. 3: 369, 1949.
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Albert, A., Rubbo, S.D., Goldacre, R.J., and Balfour, B.G.: The Influence of Chemical Constitution on Antibacterial Activity. Part III: A Study of 8-Hydroxyquinoline (Oxine) and Related Compounds, Brit. J. Exper. Path. 28: 69, 1947.