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 149 OP 149 DO 10.3122/jabfm.1.2.149a VO 1 IS 2 YR 1988 UL http://www.jabfm.org/content/1/2/149.2.abstract AB