RT Journal Article SR Electronic T1 Ethics briefings JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 79 OP 80 DO 10.1136/jme.2008.028100 VO 35 IS 1 A1 E Chrispin A1 V English A1 C Harrison A1 J Sheather A1 A Sommerville YR 2009 UL http://jme.bmj.com/content/35/1/79.abstract AB