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المؤلفون: Sydney W. Bradley, A.J. Kimm, H.L. Keith, Harry F. Hamilton, A.P. Burkhart, William Kettler, Abram Hoffman, H.C. McKittrick, C.G. Gillam, C.A. Herrick, Franklin S. Fluck, G. Walter Dittmar, J.P. Luthringer, W.L. Fickes, Ernest W. Elmen, Claude S. Larned, H.C. Pollock, W.F. Beavers, Robert E. Elster, C.B. Miller, George F. Burke, George B. Smith, Oliver J. O’neal, H.H. Antles, Henry Gilman
المصدر: The Journal of the National Dental Association. 7:315-320