RT Journal Article SR Electronic T1 Defining death: when physicians and families differ JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 641 OP 642 DO 10.1136/jme.2005.011718 VO 31 IS 11 A1 J M Appel YR 2005 UL http://jme.bmj.com/content/31/11/641.abstract AB