title: Operation zero tolerance.
authors: K
authors: K
authors: Downer
mesh_terms: D006801:Humans; D008119:Lobbying; D009740:Nursing Staff / Q000523:psychology*; D016272:Occupational Health; D012637:Security Measures; D012956:Societies, Nursing; D006113:United Kingdom; D014754:Violence / Q000517:prevention & control*