TY - JOUR T1 - Correction JF - The Journal of the American Board of Family Practice JO - J Am Board Fam Med SP - 153 LP - 153 VL - 18 IS - 2 A2 - , Y1 - 2005/03/01 UR - http://www.jabfm.org/content/18/2/153.abstract N2 - ER -