Tosato M., Lukas A., van der Roest H.G, Danese P., Antocicco M., Finne-Soveri H., Nikolaus T., Landi F., Bernabei R., Onder G..  2012.  Association of pain with behavioral and psychiatric symptoms among nursing home residents with cognitive impairment: Results from the SHELTER study. Pain. 153(2):305-310.

Saarela T.M, Finne-Soveri H., Liedenpohja A.M, Noro A..  2008.  Comparing psychogeriatric units to ordinary long-term care units - are there differences in case-mix or clinical symptoms? Nord J Psychiatry. 62(1):32-8.