RT Journal Article SR Electronic T1 Can sex selection be ethically tolerated? JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 335 OP 336 DO 10.1136/jme.28.6.335 VO 28 IS 6 A1 B M Dickens YR 2002 UL http://jme.bmj.com/content/28/6/335.abstract AB