Educational inequalities in mortality in northern, mid and southern Italy and the contribution of smoking
Bruno Federico, Johan P Mackenbach, Terje A Eikemo, Gabriella Sebastiani, Chiara Marinacci, Giuseppe Costa, Anton E Kunst
J Epidemiol Community Health Jul 2013, 67 (7) 603-609; DOI: 10.1136/jech-2012-201716