Frost & Sullivan
McGraw-Hill
Alan Gillies MA PhD FBCS CITP
K. A. Duncan
Unknown Author
Great Britain. Dept. of Health and Social Security
Louis M. Abbey
W. H. Mormann
Duane A. Schmidt
Andriani Daskalaki
Theodore E. Harrison
Frank J. Sapienza
Phillip Bonner
M. J. Ball
Arthur Young & Company
Ann Ehrlich
Robin B. Lake
Council on Dental Practice (U.S.)
Jack D. Preston