title: Secure units: why they are needed.
authors.forename: H
authors.initials: H
authors.lastname: Bullard
authors.forename: M
authors.initials: M
authors.lastname: Bond
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003134:Commitment of Persons with Psychiatric Disorders; D004739:England; D005260:Female; D006801:Humans; D007902:Length of Stay; D008297:Male; D001523:Mental Disorders / Q000628:therapy; D008875:Middle Aged; D011567:Psychiatric Department, Hospital / Q000458:organization & administration*; D012637:Security Measures; D014754:Violence