RT Journal Article SR Electronic T1 The biomedical enhancement of moral status JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 65 OP 66 DO 10.1136/medethics-2012-101312 VO 39 IS 2 A1 Russell Powell YR 2013 UL http://jme.bmj.com/content/39/2/65.abstract AB