PT - JOURNAL ARTICLE AU - Nancy Benac TI - United States shifts focus to food marketing in battle to reduce childhood obesity AID - 10.1503/cmaj.109-3281 DP - 2010 Jul 13 TA - Canadian Medical Association Journal PG - E459--E460 VI - 182 IP - 10 4099 - http://www.cmaj.ca/content/182/10/E459.short 4100 - http://www.cmaj.ca/content/182/10/E459.full SO - CMAJ2010 Jul 13; 182