title: Medically certified sickness absence.
authors.forename: Johannes R
authors.initials: JR
authors.lastname: Anema
authors.forename: Allard J
authors.initials: AJ
authors.lastname: van der Beek
mesh_terms: D005194:Family Practice; D008499:Medical Records; D009026:Mortality; D016272:Occupational Health; D018582:Sick Leave / Q000706:statistics & numerical data*