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 227 OP 227 DO 10.3122/jabfm.3.3.227 VO 3 IS 3 A1 Young, Paul R. YR 1990 UL http://www.jabfm.org/content/3/3/227.abstract AB