Socioeconomic inequalities in oral health in different European welfare state regimes
Carol C Guarnizo-Herreño, Richard G Watt, Hynek Pikhart, Aubrey Sheiham, Georgios Tsakos
J Epidemiol Community Health Sep 2013, 67 (9) 728-735; DOI: 10.1136/jech-2013-202714