TY - JOUR A1 - Pförtner, T.K. A1 - Elgar, F.J. T1 - Widening inequalities in self-rated health by material deprivation? A trend analysis between 2001 and 2011 in Germany Y1 - 2015 DO - 10.1136/jech-2015-205948 VL - 70 IS - 1 ER -