1. Andreasen NJC, Pfohl B (1976) Linguistic analysis of speech in affective disorders. Arch Gen Psychiatry 33:1361?1367
2. Feldstein S, Weingartner H (1981) Speech and psychopharmacology. In: Darby JK (ed) Speech evaluation in psychiatry. Grune Stratton. New York, pp 369?396
3. Feldstein S, Welkowitz J (1978) A chromography of conversation: In defense of an objective approach. In: Siegman AW, Feldstein S (eds) Nonverbal behavior and communication. Erlbaum, Hillsdale NJ, pp 329?378
4. Fraser HF, Van Horn GD, Martin WR, Wolbach AB, Isbell H (1961) Methods for evaluating addiction liability. (A) ?Attitude? of opiate addicts toward opiate-like drugs, (B) A short-term ?direct? addiction test. J Pharmacol Exp Ther 133:371?387
5. Glaister J, Feldstein S, Pollack H (1980) Chronographic speech patterns of acutely psychotic patients. J Nerv Ment Dis 168:219?223