RT Journal Article SR Electronic T1 Medical Ethics JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 137 OP 138 DO 10.3122/jabfm.2.2.137a VO 2 IS 2 A1 Heinegg, Philip YR 1989 UL http://www.jabfm.org/content/2/2/137.2.abstract AB