1. Joslin, E. P., Root, H. F., White, P. and Marble, A.: Treatment of Diabetes Mellitus, 7th Ed., p. 489, Lea & Febiger, Philadelphia, Pa., 1940.
2. Rundles, R. W.: Diabetic Neuropathy, Medicine, 24:111, 1945.
3. Smith, S. G.: Progressive Ascending Paralysis in Dogs due to Deficiency of a Vitamin B Complex Factor Found in Yeast, Science, 100:389, Oct. 27, 1944.
4. Root, H. F.: Med. Clin. North America, 5:1433, 1922.
5. Williams, Robert R. and Spies, Tom D.: Vitamin B and its Use in Medicine, MacMillan, New York, 1938.