Chronic Disease/epidemiology/*mortality
van Dijk, Pieter T M, Mehr, David R, Ooms, Marcel E, Madsen, Richard, Petroski, Greg, Frijters, Dinnus H, Pot, Anne Margriet, Ribbe, Miel W 2005. Comorbidity and 1-year mortality risks in nursing home residents. Journal of the American Geriatrics Society. 53 (4) 660-5.