1
by Ormstad, Sari S., Graff, Bjørn Anton, Natvig Norderhaug, Inger
Published 2010
Norwegian Knowledge Centre for the Health Services

3
by Frønsdal, Katrine B., Skår, Åse, Stoinska-Schneider, Anna, Ormstad, Sari S.
Published 2016
National Institute of Public Health, Division of Health Services