RT Journal Article SR Electronic T1 Ethics and Mental Retardation JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 51 OP 52 DO 10.1136/jme.12.1.51-b VO 12 IS 1 A1 Joan Bicknell YR 1986 UL http://jme.bmj.com/content/12/1/51.3.abstract AB