symptoms

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Fisher, K. A., Seow, H., Brazil, K., Smith, T. F., Guthrie, D. M. 2015. Dimensionality, Reliability and Validity of the InterRAI Depression Rating Scale in a Canadian Palliative Care Population. Social Indicators Research. 122 (1) 297-314.
Volicer, L, Frijters, DHM, Van Der Steen, JT 2011. Underdiagnosis and undertreatment of depression in nursing home residents. European Geriatric Medicine. 2 (6) 332-337.
Martin, Lynn., Poss, J. W., Hirdes, J. P., Jones, R. N., Stones, M. J., Fries, B. E. 2008. Predictors of a new depression diagnosis among older adults admitted to complex continuing care: implications for the depression rating scale (DRS). Age and Ageing. 37 (1) 51-6.