RT Journal Article SR Electronic T1 In defence of ageism. JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 117 OP 118 DO 10.1136/jme.21.2.117-b VO 21 IS 2 A1 A B Shaw YR 1995 UL http://jme.bmj.com/content/21/2/117.3.abstract AB