2
by Hafstad, Elisabet, Leiknes, Kari Ann
Published 2016
National Institute of Public Health, Division of Health Services

4
by Blaasvær, Nora, Nøkleby, Heid, Johansen, Sissel, Berg, Rigmor C.
Published 2015
Norwegian Knowledge Centre for the Health Services

5
by Mosdøl, Annhild, Forsetlund, Louise, Straumann, Gyri Hval
Published 2015
Norwegian Knowledge Centre for the Health Services

6
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

8
Published 2020
National Institute for Health and Care Excellence (UK)

9
Published 1968
National Academy of Sciences

10
Published 1992
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

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

15
by Pool, Robert
Published 2020
National Academies Press

16
Published 2007
Office of the Surgeon General, U.S. Public Health Service, U.S. Dept. of Health and Human Services

17
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

18
Published 1993
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

19
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

20
Published 1992
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research