4
by Heseltine, Elisabeth
Published 2009
WHO Regional Office for Europe

5
Published 2012
World Health Organization, Regional Office for Europe

6
by Adamkiewicz, Gary
Published 2010
World Health Organization, Regional Office for Europe

9
by Rijken, Mieke
Published 2017
World Health Organization, Regional Office for Europe

11
Published 2013
European Observatory on Health Systems and Policies

14
by Cylus, Jonathan, Papanicolas, Irene, Smith, Peter
Published 2017
World Health Organization, Regional Office for Europe