1. The vapor spray method for control of pain;Sherman;J. Canad. D. A,1947
2. Thermal control apparatus for dental drilling;Lieber;J.A.D.A.,1946
3. Air-conditioned handpiece;Killilea;J.A.D.A.,1945
4. Effectiveness of chilled burs in eliminating pain;Thomas;J. D. Res.,1941
5. Temperatures developed in rotating dental cutting instruments;Hudson;J.A.D.A.,1954