RT Journal Article SR Electronic T1 What and who are clinical ethics committees for? JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 497 OP 500 DO 10.1136/jme.2007.021394 VO 33 IS 9 A1 Sheila A M McLean YR 2007 UL http://jme.bmj.com/content/33/9/497.abstract AB