PT - JOURNAL ARTICLE ED - , TI - CORRECTION AID - 10.1370/afm.1030 DP - 2009 Jul 01 TA - The Annals of Family Medicine PG - 373--373 VI - 7 IP - 4 4099 - http://www.annfammed.org/content/7/4/373.short 4100 - http://www.annfammed.org/content/7/4/373.full SO - Ann Fam Med2009 Jul 01; 7