TY - JOUR T1 - Research Letter JF - The Journal of the American Board of Family Medicine JO - J Am Board Fam Med SP - 648 LP - 648 DO - 10.3122/jabfm.19.6.648 VL - 19 IS - 6 AU - Ariel Smits AU - Patricia A. Carney AU - Jeanene Smith AU - John W. Saultz Y1 - 2006/11/01 UR - http://www.jabfm.org/content/19/6/648.abstract N2 - ER -