Journal of Periodontology | January 1996 | Stephen K. Harrel, James B. Barnes, Francisco Rivera‐Hidalgo
Dimensions of Dental Hygiene | October 2003 | Stephen K. Harrel
Dimensions of Dental Hygiene | July 2004 | Stephen K. Harrel
Journal of the American Dental Association | April 2004 | Stephen K. Harrel, John Molinari
Journal of Periodontology | May 1999 | F Rivera‐Hidalgo, J B Barnes, Stephen K. Harrel
Jourtnal of the California Dental Assocociation | November 2004 | Stephen K. Harrel
Journal of Periodontology | May 1999 | James B. Barnes, Stephen K. Harrel, Francisco Rivera-Hidalgo
Journal of the American Dental Association, September 1998, Harrel SK, Barnes JB, Rivera-Hidalgo F
Academy of General Dentistry | December 2001 | S L Klyn, D E Cummings, B W Richardson, R D Davis
Journal of Periodontology | January 1997 | T B King, K B Muzzin, C W Berry, L M Anders