1. American Medical Association. Council on Pharmacy and Chemistry. Report1930, 10.
2. L. W. Angle, Tribromethyl alcohol (Avertin) as a rectal anesthetic. J. Kansas M. Soc.32, 172 (1931).
3. Avertin, Winthrop Chem. Co., N. Y., 1930.
4. E. P. Boas u.E. F. Goldschmidt, Continuous recording of the heart rate during operations. J. amer. med. Assoc.94, 1210 (1930).
5. E. P. Boas u.E. F. Goldschmidt, The heart rate. Springfield, Ill., Thomas 1932.