1. von Meduna, L.: Convulsive therapy of schizophrenia. Psych.-Neurol., Wchnschr., 37:317, July, 1935.
2. Bennett, A. E.: Metrazol convulsive shock therapy in affective psychoses. Am. J. Med. Sci., 198:695, November 1939.
3. McAdam, W.: Some cardiac accidents associated with cardiazol convulsive therapy. Glasgow Med. J., 12:221, November, 1938.
4. Forschbach, Gerhard: Electrocardiographics studies during the course of metrazol treatment of schizophrenia. Ztschr. f. d. ges. Neurol. u. Psychiat., 164:722, February, 1939.
5. Orenstein, Leo L.: Physiologic observations following induced convulsions. N. Y. State J. Med., 39:1921, October 15, 1939.