PT - JOURNAL ARTICLE AU - Marc Lacroix TI - Direct-to-consumer advertising AID - 10.1503/cmaj.1031798 DP - 2004 Mar 02 TA - Canadian Medical Association Journal PG - 770--770 VI - 170 IP - 5 4099 - http://www.cmaj.ca/content/170/5/770.1.short 4100 - http://www.cmaj.ca/content/170/5/770.1.full SO - CMAJ2004 Mar 02; 170