1. Bleuler, E., Dementia Praecox, 185–190 and 454–455 (International Universities, New York, 1950).
2. Snyder, S. H., Arch. gen. Psychiat., 27, 169–179 (1972).
3. Rylander, G., in Correlation of Adverse Effects in Man with Observations in Animals (edit. by Baker, S.), 28–31 (Excerpta Medica, Amsterdam, 1971).
4. Randrup, A., and Munkvad, I., J. psychiat. Res., 11, 1–10 (1975).
5. Lyon, M., and Robbins, T. W., in Current Developments in Psychopharmacology, 2 (edit. by Essman, W., and Valzelli, L.), 79–163 (Spectrum, New York, 1975).