Authors: Judith G Hall; Lesley Bainbridge; Alison Buchan; Alastair Cribb; Jane Drummond; Carlton Gyles; T Philip Hicks; Carol McWilliam; Barbara Paterson; Pamela A Ratner; Elizabeth Skarakis-Doyle; Patty Solomon Journal: CMAJ Date: 2006-09-26 Impact factor: 8.262