RT Journal Article SR Electronic T1 The nature of moral thinking JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 242 OP 242 DO 10.1136/jme.19.4.242 VO 19 IS 4 A1 P F Brownsey YR 1993 UL http://jme.bmj.com/content/19/4/242.1.abstract AB