[39] Medical and Surgical Electricity, 4th ed., p. 413.
[40] Nature, March, 1883.
[41] Lo Sperimentale, April, 1884.
[42] Artificial Anæsthesia and Anæsthetics, pp. 20-28. William Wood & Co., New York, 1881.
[43] Bull. gén. de Thérap., 1884, 2º Livr.
[44] Centralblatt für klin. med., 1884. Nr. 12.
[45] The National Dispensatory, 1884, p. 433.
[46] Deutsche Med. wochenschr., 1883, Nr. 49.
[47] Lo Sperimentale, April, 1884.
[48] The National Dispensatory, 1884, p. 993.