RT Journal Article SR Electronic T1 Correction JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 78 OP 78 DO 10.3122/jabfm.10.1.78 VO 10 IS 1 YR 1997 UL http://www.jabfm.org/content/10/1/78.abstract AB