RT Journal Article SR Electronic JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 743 OP 744 DO 10.1136/jme.2007.023523 VO 33 IS 12 A1 Danielle Hamm A1 Veronica English A1 Caroline Harrison A1 Rebecca Mussell A1 Julian Sheather A1 Ann Sommerville YR 2007 UL http://jme.bmj.com/content/33/12/743.abstract AB