Akiskal, A. S. (1990). Toward a clinical understanding of the relationship of anxiety and depressive disorders. In Comorbidity of Mood and Anxiety Disorders (ed. Maser, J. D. and Cloninger, C. R.), pp. 597–607. American Psychiatric Press: Washington, DC.
American Psychiatric Association (1980). Diagnostic and Statistical Manual of Mental Disorders. APA: Washington, DC.
Blashfield, R., Sprock, J., Pinkston, K. & Hodgin, J. (1985). Exemplar prototypes of personality disorder diagnosis. Comprehensive Psychiatry 26, 11–21.
Blashfield, R. K., Sprock, J., Haymaker, D. & Hodgin, J. (1989). The family resemblance hypothesis applied to psychiatric classification. Journal of Nervous and Mental Disease 177, 492–497.
Brink, W.van den, , Koeter, M. W. J., Ormel, J., Dijkstra, W., Giel, R., Sloof, C. J. & Wohlfarth, T. D. (1989). Psychiatric diagnosis in an outpatient population. A comparative study of PSE-CATEGO and DSM-III. Archives of General Psychiatry 46, 369–372.
Buck, A. A. & Gart, J. J. (1966). Comparison of a screening test and a reference test in epidemiologic studies. 1: Indices of agreement and their relation to prevalence. American Journal of Epidemiology 83, 586–592.
Cantor, N., Smith, E. E., deSales French, R., Mezzich, J. (1980). Psychiatric diagnosis as prototype categorization. Journal of Abnormal Psychology 89, 181–193.
Dobson, K. S. (1985). The relationship between anxiety and depression. Clinical Psychology Review 5, 307–324.
Finlay-Jones, R., Brown, G. W., Duncan-Jones, P., Harris, T., Murphy, E. & Prudo, R. (1980). Depression and anxiety in the community: replicating the diagnosis of a case. Psychological Medicine 10, 445–454.
Foa, E. B. & Foa, U. G. (1982). Differentiating depression and anxiety: is it possible? Is it useful? Psychopharmacology Bulletin 18, 62–67.
Hamilton, M. (1959). The assessment of anxiety states by rating. British Journal of Medical Psychology 32, 50–55.
Hamilton, M. (1960). A rating scale for depression. Journal of Neurology and Neurosurgical Psychiatry 23, 56–61.
Horowitz, L. M., Wright, J. C., Lowenstein, E. & Parad, H. W. (1981 a). The prototype as a construct in abnormal psychology: 1. A method for deriving prototypes. Journal of Abnormal Psychology 90, 568–574.
Horowitz, L. M., Post, D. L., de Sales French, R., Wallis, K. D. & Siegelman, E. Y. (1981 b). The prototype as a construct in abnormal psychology 2: clarifying disagreement in psychiatric judgments. Journal of Abnormal Psychology 90, 575–585.
Koeter, M. W. J. (1990). Unpublished manuscript.
Maser, J. D. & Cloninger, C. R. (eds.) (1990). Comorbidity of Mood and Anxiety Disorders. American Psychiatric Press: Washington, DC.
Metz, C. H. E. (1989). Basic principles of ROC analysis. Seminars in Nuclear Medicine 8, 283–298.
Riskind, J. H., Beck, A. T., Brown, G. & Steer, R. A. (1987). Taking the measure of anxiety and depression. Validity of the reconstructed Hamilton scales. Journal of Nervous and Mental Disease 175, 474–479.
Stravakaki, C. & Vargo, B. (1986). The relationship of anxiety and depression: a review of the literature. British Journal of Psychiatry 149, 7–16.
Tyrer, P. (1985). Neurosis divisible. Lancet i, 685–688.
Tyrer, P. (1989). Classification of Neurosis. John Wiley & Sons. New York.
Wing, J. K., Cooper, J. E. & Sartorius, N. (1974). The Measurement and Classification of Psychiatric Symptoms. Cambridge University Press: Cambridge.