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2.
Phillips, R.W. , and Muhler, J.F.: Solubility of Enamel as Affected by Fluorides of Varying pH, J. D. Res. 26: 109, 1947.
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Muhler, J.F. , Boyd, T.M., and Van Huysen , G.: Effect of Fluorides and Other Compounds on the Solubility of Enamel, Dentin and Tricalcium Phosphate in Dilute Acids, J. D. Res. 29: 182, 1950.
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Volker, J.F. : Solubility of Fluorosed Enamel and Dentine, Proc. Soc. Exper. Biol. & Med. 43: 643, 1940.
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Manly, R.S., Hodge, H.C., and Ange, L.: Density and Refractive Index Studies of Dental Hard Tissues-2. Density Distribution Curves, J. D. Res. 18: 203, 1939.
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Volker, J.F.: Thesis, University of Rochester, Rochester, New York, 1939.
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Brudevold, F. , Gardner, D.E., and Smith, F.A.: Distribution in Depth of Fluoride in Human Enamel, J. D. Res. 33: 650, 1954.
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McClure, F.J. : Observation on Induced Caries in Rats-IV. Inhibiting Effect of Fluoride Ingested Post-eruptively and Prior to the Caries Producing Diet, J. D. Res. 22: 37, 1943.
9.
Detherage, C.F. : Study of Fluoride Containing Domestic Waters and Dental Caries Experience in 263 White III. Selective Service Men Living in Fluoride Areas Following the Period of Calcification of the Permanent Teeth , J. D. Res. 22: 173, 1943.
10.
Sognnaes, R.F., and Armstrong , W.D.: A Condition Suggestive of Threshold Dental Fluorosis Observed in Tristan Da Cunha, J. D. Res.20; 315, 1941.