1. Angst, J., Autenrieth, V., Brem, F., Koukkou, M., Meyer, H., Stassen, H. H., and Storck, U., 1979, Preliminary results of treatment with β-endorphin in depression, in: Endorphins in Mental Health Research (E. Usdin, W. E. Bunney Jr., and N. S. Kline, eds.), pp. 518–528, MacMillan Press, London.
2. Berger, P. A., Watson, S. J., Akil, H., and Barchas, J. D., 1979, Naloxone administration in chronic hallucinating schizophrenic patients, in: Endorphins in Mental Health Research (E. Usdin, W. E. Bunney Jr., and N. S. Kline, eds.), pp. 423–434, MacMillan Press, London.
3. Bourgeois, M., Laforge, E., Muyard, J., Blayac, J., and Lemoine, J., 1980, Endorphines et schizophrénies. II. Les essais de traitement des schizophrénies par la Des-tyr-γ-endorphine (DT7E) (dont un essai personnel), Ann. J. Med. Psychiatr.
138:1112.
4. Byck, R., 1976, Peptide transmitters: A unifying hypothesis for euphoria, respiration, sleep, and the action of lithium, Lancet
II:72.
5. Casey, D. E., Korsgaard, S., Gerlach, J., Jorgensen, A., and Simmelsgaard, H., 1981, Effect of des-tyrosine-γ-endorphin in tardive dyskinesia, Arch. Gen. Psychiatry
38:158.