1. American Psychiatric Association: Diagnostic and Statistical Manual—III- R. Washington, DC, American Psychiatric Association Press, 1987.
2. Zubin J, Spring B: Vulnerability: a new view of schizophrenia. J Abnormal Psychol 1977;96:103–126.
3. Liberman RP, Mueser KT: Schizophrenia: psychosocial treatment, in Kaplan HI, Saddock BJ (eds): Comprehensive Textbook of Psychiatry/V. Baltimore, Williams & Wilkins, 1989, pp 792–806.
4. Ciompi L: Toward a coherent multidimensional understanding and therapy of schizophrenia: converging new concepts, in Strauss JS, Boker W, Brenner HD (eds): Psychosocial Treatment of Schizophrenia. Toronto, Hans Huber Pub, 1987, pp 48–62.
5. Farmer AE, McGuffin P, Gottesman II: Twin concordance for DSM-III schizophrenia. Arch Gen Psychiatr 1987;44:634–641.