1. Fink, M., M. Pollack, D. F. Klein, A. G. Blumberg, I. Belmont, J. C. Kramer, and A. Willner: Comparative studies of chlorpromazine and imipramine. I: Drug discriminating patterns. Neuropsychopharmacol. 3, 370?372 (1964).
2. Klein, D. F.: Delineation of two drug responsive anxiety syndromes. Psychopharmacologia (Berl.) 5, 397?408 (1964).
3. ?: Behavioral effects of imipramine and phenothiazines: Implications for a psychiatric pathogenetic theory and theory of drug action. Rec. Advanc. Biol. Psychol. 7, 273?287 (1965).
4. ?: The importance of psychiatric diagnosis in the prediction of clinical drug effects. Arch. gen. Psychiat. 16, 118?126 (1967a).
5. ?: Diagnosis and pattern of reaction to drug treatment: Clinically derived formulations. The Role and Methodology of Classification in Psychiatry and Psychopathology. M. M. Katz, J. O. Cole and W. Barton (eds.). Washington, D. C.: Government Printing Office (1967b).