title: Nuclear war: the threat that never went away.
authors.forename: Declan
authors.initials: D
authors.lastname: Butler
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D007391:International Cooperation / Q000266:history; D009689:Nuclear Warfare / Q000266:history* / Q000517:prevention & control* / Q000639:trends; D012637:Security Measures / Q000266:history / Q000639:trends; D023481:Terrorism / Q000517:prevention & control / Q000639:trends