2011
M. Knutzen, Mjosund, N. H., Eidhammer, G., Lorentzen, S., Opjordsmoen, S., Sandvik, L., og Friis, S.,
«Characteristics of Psychiatric Inpatients Who Experienced Restraint and Those Who Did Not: A Case-Control Study»,
Psychiatric Services, 2011.
2012
M. Knutzen, Bjørkly, S., Eidhammer, G., Lorentzen, S., Mjøsund, N. H., Opjordsmoen, S., Sandvik, L., og Friis, S.,
«Mechanical and pharmacological restraints in acute psychiatric wards — Why and how are they used?»,
Psychiatry Research, 2012.
2013
M. Knutzen, Bjørkly, S., Eidhammer, G., Lorentzen, S., Mjøsund, N. H., Opjordsmoen, S., Sandvik, L., og Friis, S.,
«Characteristics of patients frequently subjected to pharmacological and mechanical restraint—A register study in three Norwegian acute psychiatric wards»,
Psychiatry Research, 2013.