RT Journal Article SR Electronic T1 Knowledge Assessment Responses in the ABFM Self-Assessment Modules (SAMs) JF The Journal of the American Board of Family Medicine JO J Am Board Fam Med FD American Board of Family Medicine SP 939 OP 940 DO 10.3122/jabfm.2012.06.120232 VO 25 IS 6 A1 Michael D. Hagen YR 2012 UL http://www.jabfm.org/content/25/6/939.abstract AB