PT - JOURNAL ARTICLE AU - Collier, Roger TI - Clinical guideline writers often conflicted AID - 10.1503/cmaj.109-3757 DP - 2010 Jan 01 TA - Canadian Medical Association Journal PG - cmaj.109-3757 4099 - http://www.cmaj.ca/content/early/2011/01/10/cmaj.109-3757.short 4100 - http://www.cmaj.ca/content/early/2011/01/10/cmaj.109-3757.full