1
Published 2000
National Academy Press

2
by Blaasvær, Nora, Nøkleby, Heid, Johansen, Sissel, Berg, Rigmor C.
Published 2015
Norwegian Knowledge Centre for the Health Services

3
by Smedslund, Geir, Hagen, Kåre Birger, Steiro, Asbjørn, Johme, Torill
Published 2006
Knowledge Centre for the Health Services at The Norwegian Institute of Public Health (NIPH)

5
Published 2001
National Academies Press

6
Published 1995
National Academy Press

8
by Olson, Steve
Published 2011
National Academies Press

12
by Wizemann, Theresa M.
Published 2019
National Academies Press

13
Published 2006
Swedish Council on Health Technology Assessment (SBU)

16
by Wizemann, Theresa M.
Published 2019
National Academies Press

18
Published 2019
The National Academies Press

19
Published 1995
National Academy Press