RT Journal Article SR Electronic T1 Navigating the maze: ethics approval pathways for intellectual disability research JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 782 OP 786 DO 10.1136/medethics-2012-100899 VO 40 IS 11 A1 Allyson Thomson A1 Peter Roberts A1 Alan Bittles YR 2014 UL http://jme.bmj.com/content/40/11/782.abstract AB