RT Journal Article SR Electronic T1 Four scenarios JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 267 OP 268 DO 10.1136/jme.29.5.267 VO 29 IS 5 A1 Gillon, R YR 2003 UL http://jme.bmj.com/content/29/5/267.abstract AB