title: Head or neck injury increases the risk of chronic daily headache: a population-based study.
authors.forename: Lars J
authors.initials: LJ
authors.lastname: Stovner
authors.forename: Harald
authors.initials: H
authors.lastname: Schrader
authors.forename: James R
authors.initials: JR
authors.lastname: Couch
authors.forename: Richard B
authors.initials: RB
authors.lastname: Lipton
authors.forename: Walter F
authors.initials: WF
authors.lastname: Stewart
authors.forename: Ann I
authors.initials: AI
authors.lastname: Scher
mesh_terms: D016022:Case-Control Studies; D015984:Causality; D015331:Cohort Studies; D015897:Comorbidity; D006259:Craniocerebral Trauma / Q000453:epidemiology* / Q000503:physiopathology / Q000523:psychology; D003627:Data Interpretation, Statistical; D020773:Headache Disorders / Q000453:epidemiology* / Q000503:physiopathology / Q000523:psychology; D006801:Humans; D008097:Lithuania; D019838:Neck Injuries / Q000453:epidemiology* / Q000503:physiopathology / Q000523:psychology; D015983:Selection Bias