[80] StClair Thomson, The Practitioner, 1906, July.
[81] Logan Turner, Edinburgh Medical Journal, 1907, November and December.
[82] Lermoyez, Annales des Maladies de l’Oreille, 1902, novembre.
[83] H. L. Lack, Edinburgh Medical Journal, 1902, June, p. 542.
[84] Transactions of the American Laryngological Association, 1895, p. 91.
[85] Ibid., 1903, p. 241.
[86] Proceed. Royal Society of Medicine, Meeting of June, 1908.
[87] The Laryngoscope, xiv, 1904, p. 267.
[88] M. A. Goldstein, ibid., xviii, January, 1908, p. 46.
[89] George E. Waugh, The Lancet, September 29, 1906.