TY - JOUR T1 - Correction JF - The Journal of the American Board of Family Practice JO - J Am Board Fam Med SP - 426 LP - 426 DO - 10.3122/jabfm.12.5.426b VL - 12 IS - 5 A2 - , Y1 - 1999/09/01 UR - http://www.jabfm.org/content/12/5/426.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -