PT - JOURNAL ARTICLE AU - Ruth Wooden TI - How Public Service Advertising Works AID - 10.2501/S0021849908080604 DP - 2008 Dec 01 TA - Journal of Advertising Research PG - 591--592 VI - 48 IP - 4 4099 - http://www.journalofadvertisingresearch.com/content/48/4/591.short 4100 - http://www.journalofadvertisingresearch.com/content/48/4/591.full SO - J Advert Res2008 Dec 01; 48