By Backinger Cathy L.   Lawrence Deirdre   in Journal of Dental Hygiene

ISSN:1553-0205|83|4|218-219

American Dental Hygienists' Association‎(2009)‎

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By Backinger Cathy L.   Leischow Scott J.   in American Journal of Health Behavior

ISSN:1945-7359|25|3|183-190

PNG Publications‎(2001)‎

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