title: [Understanding the problematic behavior of demented elderly].
authors.forename: W Y
authors.initials: WY
authors.lastname: Cheng
mesh_terms: D000203:Activities of Daily Living; D000368:Aged; D003704:Dementia / Q000523:psychology*; D006801:Humans; D012803:Sick Role; D012920:Social Behavior Disorders / Q000523:psychology