Abstract
Abstract
French

References
1.Depression in old age: Leading article. Br. Med. J., i : 1031 . 1973 .
2.
Goldstein K.
: The effect of brain damage in the personality. Psychiatry, 15 : 245 –260 . 1952 .
3.
Roth M.
: The natural history of mental disorder in old age. J. Ment. Sci., 101 : 281 –301 . 1955 .
