RT Journal Article SR Electronic T1 Preface JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 3 OP 3 DO 10.1136/jme.17.Suppl.3 VO 17 IS Suppl A1 Jørgen Cohn YR 1991 UL http://jme.bmj.com/content/17/supplement/3.abstract AB