RT Journal Article SR Electronic T1 Books Received JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 297 OP 297 DO 10.3122/jabfm.1.4.297 VO 1 IS 4 YR 1988 UL http://www.jabfm.org/content/1/4/297.1.abstract AB