RT Journal Article SR Electronic T1 An ethical market in human organs JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 137 OP 138 DO 10.1136/jme.29.3.137 VO 29 IS 3 A1 Charles A Erin A1 John Harris YR 2003 UL http://jme.bmj.com/content/29/3/137.abstract AB