title: Emergency department data suffer similar threats to validity as police data.
authors.forename: J
authors.initials: J
authors.lastname: Langley
mesh_terms: D004636:Emergency Service, Hospital; D006753:Hospital Records / Q000592:standards*; D006801:Humans; D016495:Police / Q000706:statistics & numerical data; D015203:Reproducibility of Results; D014754:Violence