RT Journal Article SR Electronic T1 Some doubts about in vitro eugenics as a human enhancement technology JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 732 OP 732 DO 10.1136/medethics-2013-101511 VO 40 IS 11 A1 Andrew W Siegel YR 2014 UL http://jme.bmj.com/content/40/11/732.abstract AB