RT Journal Article SR Electronic T1 Planning for Uncertainty: A Guide to Living Wills and Other Advance Directives for Health Care JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 282 OP 283 DO 10.3122/jabfm.7.3.282b VO 7 IS 3 A1 Hennen, Brian K. YR 1994 UL http://www.jabfm.org/content/7/3/282.2.abstract AB