Michael G. Newman
Saul Schluger
B. R. R. Varma
Joel M. Berns
B. J. Moxham
Roy C. Page
Thomas G. Wilson
T. R. Pitt Ford
Jill S. Nield-Gehrig
National Institute of Dental Research (U.S.).
Henry M. Goldman
Unknown Author
Fernando Jorge Brenes-Espinach
World Workshop in Clinical Periodontics
Sigurd Peder Ramfjord
Nadeem Karimbux
Dennis S. Charney
Robert J. Genco
European Workshop on Periodontology (2nd 1996 Ittingen, Switzerland)