1. Abrams R, Taylor MA (1976) Mania and schizoaffective disorder manic type: a comparison. Am J Psychiatry 133: 1145–1147
2. Andreasen NC, Flaum M, Arndt S et al. (1991) Positive and negative symptoms: assessment and validity. In: Marneros A, Andreasen NC, Tsuang MT (ed) Negative versus positive schizophrenia. Springer, Berlin Heidelberg New York Tokio, pp 28–51
3. Angst J (1986) The course of schizoaffective disorders. In: Marneros A, Tsuang MT (ed) Schizoaffective psychoses. Springer, Berlin Heidelberg New York Tokio, pp 63–93
4. Angst J, Felder W, Lohmeyer B (1979) Are schizoaffective psychoses heterogeneous? II. Results of a genetic investigation. J Affect Disord 1: 155–165
5. Angst J, Stassen HH, Gross G et al. (1990) Suicide in affective and schizoaffective disorders. In: Marneros A, Tsuang MT (ed) Affective and schizoaffective disorders. Springer, Berlin Heidelberg New York Tokio, pp 168–185