41
Published 2010
World Health Organization

44
Published 2010
World Health Organization

50
Published 2015
World Health Organization

51
Published 2015
European Observatory on Health Systems and Policies, a partnership hosted by WHO

52
Published 2016
World Health Organization

53
Published 2014
World Health Organization

55
Published 2015
World Health Organization

58
Published 2008
World Health Organization

59
Published 2014
World Health Organization