RT Journal Article SR Electronic T1 Human needs and the market JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 190 OP 191 DO 10.1136/jme.19.3.190-a VO 19 IS 3 A1 Williams, Alan YR 1993 UL http://jme.bmj.com/content/19/3/190.2.abstract AB