title: [Different types of sick leave].
authors.affiliation: Seksjon for sosialmedisin, Institutt for helse og samfunn, Universitetet i Oslo, Postboks 1130 Blindern, 0318 Oslo, Norway. dag.bruusgaard@medisin.uio.no
authors.forename: Dag
authors.initials: D
authors.lastname: Bruusgaard
authors.forename: Bjørgulf
authors.initials: B
authors.lastname: Claussen
mesh_terms: D000041:Absenteeism; D006801:Humans; D009664:Norway; D018582:Sick Leave / Q000145:classification / Q000331:legislation & jurisprudence; D014938:Work Capacity Evaluation