RT Journal Article SR Electronic T1 Evidence based medicine and ethics. JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 55 OP 56 DO 10.1136/jme.22.1.55-b VO 22 IS 1 A1 J C Hughes YR 1996 UL http://jme.bmj.com/content/22/1/55.3.abstract AB