RT Journal Article SR Electronic T1 Certificates of Added Qualifications JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 143 OP 144 DO 10.3122/jabfm.2.3.143b VO 2 IS 3 A1 Pisacano, Nicholas J. YR 1989 UL http://www.jabfm.org/content/2/3/143.2.abstract AB