RT Journal Article SR Electronic T1 Intrinsic versus contingent claims about the harmfulness of prostitution JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 83 OP 83 DO 10.1136/medethics-2012-100833 VO 40 IS 2 A1 Rosalind J McDougall YR 2014 UL http://jme.bmj.com/content/40/2/83.abstract AB