RT Journal Article SR Electronic T1 Dimensionality of the Maintenance of Certification for Family Physicians Examination: Evidence of Construct Validity JF The Journal of the American Board of Family Medicine JO J Am Board Fam Med FD American Board of Family Medicine SP 342 OP 344 DO 10.3122/jabfm.2013.03.130079 VO 26 IS 3 A1 Kenneth D. Royal A1 James C. Puffer YR 2013 UL http://www.jabfm.org/content/26/3/342.abstract AB