A new behavioural assessment scale for geriatric out- and inpatients: The NOSGER (Nurses' Observation Scale for Geriatric Patients). - Spiegel,R.; Brunner,C.; Ermini-Fünfschilling,D.; Monsch,A.; Notter,M.; Puxty,J.; Tremmel,L. (Journal of the American Geriatric Society, 1991)