[1004] Vieus and Nepeon, Monatsschr. f. Ohrenheilk., 1884.

[1005] Aubert, Echo méd., October 12, 1891.

[1006] Vicano, Boll. del. mal. dell’ orecchio, etc., 1892, ix.

[1007] Ridola, Arch. ital. di Laryng., 1894, ii.

[1008] Tapin, Siglo med., March 16, 1907.

[1009] Lusitanus, see Seifert in Heymann’s “Handb.,” p. 599.

[1010] Sinclair, Brit. Med. Journ., June 20, 1885, i.

[1011] Condorelli-Francaviglia, Spallangini, 1892.

[1012] Sota y Lastra, Rév. méd. de Sevilla, 1887.

[1013] Keng, Scot. Med. and Surg. Journ., October, 1899.