1. Amaducci LA, Fratiglioni L, Rocca WA et al. (1986) Risk factors for clinically diagnosed Alz-heimer’s disease: a case-control study of an Italian population. Neurology 36: 922–931
2. Ben-Arie O, Swartz L, Teggin AF, Elk R (1983) The Coloured elderly in Cape Town - a psychosocial, psychiatric and medical community survey. Part II. Prevalence of psychiatric disorders. SAM ed J 64: 1056–1061
3. Bharucha NE, Schoenberg BS and Kokmen E (1983) Dementia of Alzheimer’s type (DAT): a case- control study of association with medical conditions and surgical procedures. Neurology 33 [Suppl 2]: 85
4. Bickel H, Jaeger J (1986) Die Inanspruchnahme von Heimen im Alter. Z Gerontol 19: 30–39 Biedert S, Schreiter U, Alm B (1987) Behandelbare Demenzen. Nervenarzt 58: 137–149
5. Bird TD, Hughes JP, Sumi SM, Nochlin D, Schellenberg GD, Lampe TH, Nemens EJ (1990) A proposed classification of familial Alzheimer’s disease based on analysis of 32 multigeneration pedigrees. In: Maurer K, Riederer P, Beckmann H (eds) Alzheimer’s disease. Springer, Wien New York, pp 51–57