RT Journal Article SR Electronic T1 The multiple scales of area effects on health: from evidence to implications for public health practice and policy JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 10 OP 10 DO 10.1136/jech.2009.096701j VO 63 IS Suppl 2 A1 Riva, M. YR 2009 UL http://jech.bmj.com/content/63/Suppl_2/10.abstract AB