1. Funk, C., 1914, Die Vitamine, Bergmann, Wiesbaden.
2. Rosenberg, L. E., 1974, Brain Dysfunction in Metabolic Disorders (F. Plumb, ed.), Raven Press, New York, pp. 263–271.
3. Arakawa, T., 1970, Am. J. Med. 48:594–598.
4. Spector, R., 1977, N. Engl. J. Med. 296:1393–1398.
5. Spector, R., 1978, J. Neurochem. 30:881–887.