title: Instruments to measure behavioural and psychological symptoms of dementia: changing use over time.
authors.forename: Rianne M
authors.initials: RM
authors.lastname: van der Linde
authors.forename: Blossom Cm
authors.initials: BC
authors.lastname: Stephan
authors.forename: Tom
authors.initials: T
authors.lastname: Dening
authors.forename: Carol
authors.initials: C
authors.lastname: Brayne
mesh_terms: D003704:Dementia / Q000523:psychology; D006801:Humans; D058027:Neuropsychiatry / Q000639:trends*; D011594:Psychometrics / Q000295:instrumentation* / Q000639:trends