RT Journal Article SR Electronic T1 Board News JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 194 OP 194 DO 10.3122/jabfm.4.3.194 VO 4 IS 3 A1 Young, Paul R. YR 1991 UL http://www.jabfm.org/content/4/3/194.abstract AB