1. Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1980
2. A hundred cases of suicide: clinical aspects;Barraclough;Br. J. Psychiatry,1974
3. The prevention of suicide while in psychiatric care;Beskow;Acta Psychiatr. Scand.,1987
4. Suicide in schizophrenia: the Iowa record linkage study;Black;J. Clin. Psychiatry,1985
5. Dementia Praecox or the Group of Schizophrenias;Bleuler,1950