PT - JOURNAL ARTICLE AU - Gaston, MA TI - A Model for Effective Change DP - 2005 Apr 01 TA - American Dental Hygienists Association PG - 1--1 VI - 79 IP - 2 4099 - http://jdh.adha.org/content/79/2/1.short 4100 - http://jdh.adha.org/content/79/2/1.full SO - J Dent Hyg2005 Apr 01; 79