PT - JOURNAL ARTICLE ED - , TI - The invisible hand of the marketing department DP - 2002 Jul 09 TA - Canadian Medical Association Journal PG - 5--5 VI - 167 IP - 1 4099 - http://www.cmaj.ca/content/167/1/5.short 4100 - http://www.cmaj.ca/content/167/1/5.full SO - CMAJ2002 Jul 09; 167