Authors: Harriet L MacMillan; Christopher J S Patterson; C Nadine Wathen; John W Feightner; Paul Bessette; R Wayne Elford; Denice S Feig; Joanne Langley; Valerie A Palda; Christopher Patterson; Bruce A Reeder; Ruth Walton Journal: CMAJ Date: 2005-01-04 Impact factor: 8.262