1
by Blaasvær, Nora, Nøkleby, Heid, Johansen, Sissel, Berg, Rigmor C.
Published 2015
Norwegian Knowledge Centre for the Health Services

2
by Wizemann, Theresa M.
Published 2019
National Academies Press

3
Published 2010
National Academies Press

4
Published 1993
National Academy Press

6
Published 1993
National Academy Press

8
by Wizemann, Theresa M.
Published 2019
National Academies Press

9
by Casola, Linda Clare
Published 2020
National Academies Press (US)

10
Published 2018
The National Academies Press

11
Published 2011
National Academies Press

12
by Hilton, Margaret L.
Published 2008
National Academies Press

13
Published 1997
National Academy Press

14
Published 1992
National Academies Press

16
Published 1971
National Academy of Sciences

17
Published 2019
The National Academies Press

18
Published 2011
National Academies Press (US)