1. Ackenheil, M., Beckmann, H., Hoffmann, G., Markianos, E., Nyström, I., Raese, J.: Einfluß von Clozapin auf die MHPG-, HVS- und 5-HIES-Ausscheidung im Urin und Liquor cerebrospinalis. Arzneim.-Eorsch. (Drug-Res.) 24, 984–987 (1974)
2. Ackenheil, M., Hippius, H.: Clozapine. In: Usdin, E. a. I.S. Forrest (Eds.): Psychotherapeutic drugs, Psychopharmacology Series Volume 2. New York-Basel: M. Dekker Inc. 1977, pp. 923–956
3. Ayd, F.J., Blackwell, B. (Eds.): Discoveries in Biological Psychiatry. Philadelphia-Toronto: Lippincott 1970
4. Balter, M., Levine, J.: Character and extent of psychotherapeutic drug usage in the United States. In: De la Fuente, R. a. M.N. Weisman (Eds.): “Psychiatry“ Proc. V. World Congr. Psychiatry, Mexico 1971. Amsterdam: Excerpta Medica 1973, pp. 80–88
5. Ban, T.A., Pecknold, J.C.: Other antipsychotic agents. In: Usdin, E. a. I.S. Forrest (Eds.): Psychotherapeutic drugs, Psycho-pharmacology Series Volume 2. New York-Basel: M. Dekker Inc. 1977, pp. 971–955