RT Journal Article SR Electronic T1 Dictionary of Medical Ethics JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 153 OP 154 DO 10.1136/jme.4.3.153 VO 4 IS 3 A1 J Heywood Thomas YR 1978 UL http://jme.bmj.com/content/4/3/153.abstract AB