1. Abrams WB, Berkow R (eds) (1990) The Merck manual of geriatrics. MSD research laboratories, Rahway/NY New Jersey
2. Andres R, Bierman EL, Hazzard WR (1985) Principles of geriatric medicine. Mc Graw-Hill, New York
3. Brocklehurst JC (ed) (1985) Geriatric medicine and gerontology. Churchill Livingstone, Edinburgh
4. Hamdy RC (1984) Geriatric medicine. Baillière Tindall, London
5. Lang E (Hrsg) (1988) Praktische Geriatrie. Enke, Stuttgart