RT Journal Article SR Electronic T1 Moral uncertainty and the moral status of early human life JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 324 OP 324 DO 10.1136/medethics-2012-101164d VO 39 IS 5 A1 Michael J Selgelid YR 2013 UL http://jme.bmj.com/content/39/5/324.1.abstract AB