PT - JOURNAL ARTICLE AU - Sullivan, Terrence TI - A wicked problem AID - 10.1503/cmaj.121844 DP - 2013 Jan 01 TA - Canadian Medical Association Journal PG - cmaj.121844 4099 - http://www.cmaj.ca/content/early/2013/02/04/cmaj.121844.short 4100 - http://www.cmaj.ca/content/early/2013/02/04/cmaj.121844.full