TY - JOUR T1 - CORRECTION JF - The Annals of Family Medicine JO - Ann Fam Med SP - 369 LP - 369 DO - 10.1370/afm.1158 VL - 8 IS - 4 A2 - , Y1 - 2010/07/01 UR - http://www.annfammed.org/content/8/4/369.abstract N2 - ER -