RT Journal Article SR Electronic T1 An Update from “The Dental PBRN” JF American Dental Hygienists Association JO J Dent Hyg FD American Dental Hygienists Association SP 167 OP 168 VO 83 IS 4 A1 Gilbert, Gregg H. A1 The DPBRN Collaborative Group YR 2009 UL http://jdh.adha.org/content/83/4/167.abstract AB