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History
- Published online June 1, 2010.
Copyright & Usage
Copyright © 2010 The American Dental Hygienists’ Association
Author Information
- Joyce M. Zimmerman Downs, BSDH, MS,
- Deanne Shuman, BSDH, MS, PhD,
- Sharon C. Stull, BSDH, MS and
- Robert E. Ratzlaff, PhD