TY - JOUR T1 - UpFront JF - American Dental Hygienists Association JO - J Dent Hyg SP - 2 LP - 2 VL - 78 IS - 3 AU - Heather Shirley Y1 - 2004/06/01 UR - http://jdh.adha.org/content/78/3/2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -