Brekhus, P.J. , and Armstrong, W.D.: Civilization-A Disease, J. A. D. A. 23: 1459, 1936.
2.
Crawford, William H.: Amalgam Failures, New York J. Dent. 8: 256, 1938.
3.
Tingley, H.E. : Recent Trends in the Use of Amalgam, New YorkJ. Dent. 8: 56, 1938.
4.
Easton, G.S. : Causes and Prevention of Amalgam Failures, J. A. D. A. 28: 392, 1941.
5.
Phillips, Ralph W., and Boyd, Drexel A.: Importance of the Mercury-Alloy Ratio to the Amalgam Filling, J. A. D. A. 34: 451, 1947.
6.
Taylor. N. O.: Amalgam Technic: Dependable and Dangerous Practices, J. A. D. A.17; 1880, 1930.
7.
Ward, M.L., and Scott, E. 0.: Effects of Variations in Manipulation on Dimensional Changes. Crushing Strength and Flow of Amalgams, J. A. D. A. 19: 1683, 1932 .
8.
Schoonover, I.C., Souder, Wilmer, and Beall, J.R.: Excessive Expansion of Dental Amalgam. J. A. D. A. 29: 1825, 1942.
9.
Phillips, R.W. , Boyd, D.A., Healey, H.J., and Crawford , W.H.: Clinical Observations on Amalgams with Known Physical Properties, J. D. Res. 22: 167, 1943.
10.
Research Commission Report: Excessive Expansion of Amalgam , J. A. D. A. 29: 292, 1942.
11.
Phillips, R.W. , Boyd, D.A., Healey, H.J., and Crawford , W.H.: Clinical Observations on Amalgam with Known Physical Properties-Final Report, J. A. D. A. 32: 325, 1945.
12.
Miller, E.C. : Clinical Factors in the Use of Amalgam, J. A. D. A. 34: 820, 1947.
13.
Roper. L. H.: Restorations with Amalgam in the Army: An Evaluation and Analysis , J. A. D. A. 34: 443, 1947.