2
Published 2019
World Health Organization

4
Published 2019
The National Academies Press

7
by Frønsdal, Katrine B., Skår, Åse, Stoinska-Schneider, Anna, Ormstad, Sari S.
Published 2016
National Institute of Public Health, Division of Health Services

8
by Jiménez, Enrique, Torkilseng, Einar Bjørner, Klemp, Marianne
Published 2015
Norwegian Knowledge Centre for the Health Services (NOKC)

9
by Frønsdal, Katrine B.
Published 2015
Norwegian Knowledge Centre for the Health Services

10
by Sinclair, Alison
Published 2018
Canadian Agency for Drugs and Technologies in Health

11
by Niessen, Louis W.
Published 2012
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

12
Published 2006
National Center for Biotechnology Information

14
Published 2020
The National Academies Press

18
Published 1997
National Co-Ordinating Centre for HTA, NETSCC, NIHR Journals Library

19
Published 1980
The Institutes, National Institutes Of Health

20
Published 1991
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health