RT Journal Article SR Electronic T1 Maintenance of Certification Questions and Answers JF The Journal of the American Board of Family Medicine JO J Am Board Fam Med FD American Board of Family Medicine SP 326 OP 328 DO 10.3122/jabfm.19.3.326 VO 19 IS 3 YR 2006 UL http://www.jabfm.org/content/19/3/326.abstract AB