1. Senile dementia of the Alzheimer type;Butler,1990
2. Oxford Textbook of Psychiatry;Gelder,1989
3. Fisiopatologia dell'invecchiamento cerebrale;Parnetti,1992
4. Diagnostic procedure in cerebral aging;Fontanari,1989
5. Disorders of the cerebral hemispheres and higher brain functions;Plum,1992