RT Journal Article SR Electronic T1 Hope, ethics, and public health JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 826 OP 827 DO 10.1136/jech.2006.047431 VO 60 IS 10 A1 Steven S Coughlin YR 2006 UL http://jech.bmj.com/content/60/10/826.abstract AB