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

2
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)