TY - JOUR T1 - CE Questions JF - American Dental Hygienists Association JO - J Dent Hyg SP - 12 LP - 13 VL - 83 IS - suppl 1 A2 - , Y1 - 2009/01/01 UR - http://jdh.adha.org/content/83/suppl_1/12.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -