1
by Hammerstrøm, Karianne Thune, Bjørndal, Arild
Published 2007
Knowledge Centre for the Health Services at The Norwegian Institute of Public Health (NIPH)

2
by Landmark, Brynjar, Kirkehei, Ingvild, Gundro Brurberg, Kjetil, Reinar, Liv Merete
Published 2009
Norwegian Knowledge Centre for the Health Services