title: Overly optimistic conclusions in no-effect intervention study.
authors.affiliation: Cochrane Work Review Group, Finnish Institute of Occupational Health, Kuopio, Finland. jani.ruotsalainen@ttl.fi.
authors.forename: Jani
authors.initials: J
authors.lastname: Ruotsalainen
authors.affiliation: Cochrane Work Review Group, Finnish Institute of Occupational Health, Kuopio, Finland.
authors.forename: Jos
authors.initials: J
authors.lastname: Verbeek
authors.affiliation: CiSAL -Centre for Occupational Health, Pompeu Fabra University, Barcelona, Spain.
authors.forename: Consol
authors.initials: C
authors.lastname: Serra
authors.affiliation: Cochrane Work Review Group, Finnish Institute of Occupational Health, Kuopio, Finland.
authors.forename: Christina
authors.initials: C
authors.lastname: Tikka
mesh_terms: D006282:Health Personnel; D006801:Humans; D013315:Stress, Psychological