RT Journal Article SR Electronic T1 Crafting a Cloning Policy: from Dolly to Stem Cells JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 424 OP 424 VO 30 IS 4 A1 J F Catherwood YR 2004 UL http://jme.bmj.com/content/30/4/424.abstract AB