1. Genetic polymorphisms and disease;Altshuler;N. Engl. J. Med.,1998
2. The butyrylcholinesterase K variant is a protective factor for sporadic Alzheimer’s disease in women;Alvarez-Arcaya;Acta Neurol. Scand.,2000
3. American Psychiatric Association, 1987. DSM-III-R. Diagnostic and Statistical Manual of Mental Disorders, 3rd Edn. American Psychiatric Association, Washington, DC.
4. Armitage, P., 1983. Statistical Methods in Medical Research. Blackwell Scientific Publications, Oxford.
5. The role of heredity in late-onset Alzheimer disease and vascular dementia: a twin study;Bergem;Arch. Gen. Psychiatry,1997