1. Schizophrenia: a life shortening disease;Allebeck;Schizophr. Bull.,1989
2. The Psychology of Aging;Birren,1964
3. Dementia Praecox or the Group of Schizophrenias;Bleuler,1952
4. The Schizophrenic Disorders: Long-term Patient and Family Studies (S.M. Clemens, trans.);Bleuler,1978
5. Neuropsychology of aging;Botwinick,1981