Certified Amalgam Alloys: A.D.A. Specification No. 1* * Paffenbarger, G. C., and Sweeney, W. T.: Specifications and Certifications for Dental Materials, J.A.D.A., 21:658 (April) 1934. Released May 4, 1935, by the Executive Board of the Research Commission of the American Dental Association; C. T. Messner, Secretary, U. S. Public Health Service Building, Washington, D. C.
Titel:
Certified Amalgam Alloys: A.D.A. Specification No. 1* * Paffenbarger, G. C., and Sweeney, W. T.: Specifications and Certifications for Dental Materials, J.A.D.A., 21:658 (April) 1934. Released May 4, 1935, by the Executive Board of the Research Commission of the American Dental Association; C. T. Messner, Secretary, U. S. Public Health Service Building, Washington, D. C.
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