RT Journal Article SR Electronic T1 Perilous knowledge JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 125 OP 125 DO 10.1136/jme.20.2.125 VO 20 IS 2 A1 Damian C Crowther YR 1994 UL http://jme.bmj.com/content/20/2/125.1.abstract AB