RT Journal Article SR Electronic T1 Subject Index Volume 6, 1993 JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 620 OP 628 DO 10.3122/jabfm.6.6.620 VO 6 IS 6 YR 1993 UL http://www.jabfm.org/content/6/6/620.abstract AB