1. Kay D. W. K. , Bergmann K. Foster Eleanor M. & Garside R. G. (1966) A four-year follow-up of a random sample of old people originally seen in their own homes: a physical, Social and Psychiatric Enquiry. Proceedings of IVth World Congress of Psychiatry, 1668–1670, Madrid.
2. PREVENTIVE GERIATRICS
3. Bergmann K. , Gaber L. B. & Foster Eleanor M. , (1975). The development of an instrument for early ascertainment of psychiatric disorder in Elderly Community Residents: a Pilot Study. Gerontopsychiatrie 4, Janssen Symposien, (Ed. Degkwitz R. , Radebold H. and Schulte P. W. ) 84–119, Düsseldorf.