title: Are sickness absence frequencies in the study of EU countries underestimates?
authors.forename: M
authors.initials: M
authors.lastname: Kivimäki
authors.forename: J
authors.initials: J
authors.lastname: Vahtera
authors.forename: J
authors.initials: J
authors.lastname: Head
authors.forename: J E
authors.initials: JE
authors.lastname: Ferrie
mesh_terms: D000041:Absenteeism; D005062:European Union / Q000706:statistics & numerical data; D006801:Humans; D016272:Occupational Health / Q000706:statistics & numerical data; D018582:Sick Leave / Q000706:statistics & numerical data*