RT Journal Article SR Electronic T1 Direct-to-Consumer Advertising: Is It Too Late to Manage the Risks? JF The Annals of Family Medicine JO Ann Fam Med FD American Academy of Family Physicians SP 4 OP 5 DO 10.1370/afm.655 VO 5 IS 1 A1 Kessler, David A. A1 Levy, Douglas A. YR 2007 UL http://www.annfammed.org/content/5/1/4.abstract AB