Deakins, M., and Volker, J.F.: Amount of Organic Matter in Enamel From Several Types of Human Teeth, J. D. Res. 20: 117, 1941.
2.
McClure, F.J. : Observations on Induced Dental Caries in Rats. III. Effect of Fluoride on Rat Caries and on Composition of Rats' Teeth, J . Nutrition22: 391, 1941.
3.
Hevesy, G., and Armstrong, W.D.: Exchange of Radiophosphate by Dental Enamel, J. D. Res. 19: 318, 1940.
4.
Volker, J.F. , and Sognnaes, R.F.: The Distribution of Radioactive Phosphorus in the Teeth of Experimental Animals, J. D. Res. 20: 471, 1941.
5.
Barnum, C.P. , and Armstrong, W.D.: In Vivo and in Vitro Exchange of Phosphorus by Enamel and Dentin, Am. J. Physiol.135: 478, 1942 .
6.
Manly, R.S., and Hodge, H.C.: Density and Refractive Index Studies of Dental Hard Tissues. I. Methods for Separation and Determination of Purity, J. D. Res. 18: 133, 1939.
7.
Brown, H.R., Jr., and Clark, W.F.: Plasma Specific Gravity and Control of Fluid Administration in Artificial Fever, Proc. Soc. Exper. Biol. & Med. 40: 490, 1939.
8.
Gilda, J.E.: Density Distribution of Rat Molar Enamel, J. D. Res. 26: 457, 1947.