Reference
- Barrett. Br. J. Surgn. 1950; 38
- Brintnall E., Grandon E., Herle D., Tidriell. Laryngoscopen. 1956; 66
- Brown-Kelly. J. Laryng. Otol.V. 1939; 54
- Butlin B. Lancetn. 1927; 2
- Carrie J. Br. J. Surg.n. 1950; 37
- Chevallier-Jackson. Am. Surg.n. 1926; 83
- Corning H. Lehrb. d. Entwickelungs-Geschichte 1925
- Denny R. W., Wilson C. P. Arch. Oto-Laryng. April, 1958; V. 67
- Dohlman G. Acta oto-laryng. 1953; V. 43: 2–3
- Foxen M. J. Laryng. Otol. 1957; V. 21(n. 8)
- Gerlings P. G. Kongr. Ber. österr. Otolar. Ges 1956
- Harrington Stuart W. J. Surg. Am. 1945; 18–66
- Hill W. Br. Med. J. 1926; 2
- Horowitz M. S. J. Laryng. Otol. 1949; V. 63
- Hudson R. V. Arch. Middlesex Hasp. 3951, n. 1
- Killian G. Arch. f. Laryng. 1912; V. XI/3
- King S. G. Surg. Gynec. Obst. 1947, n. 85
- Korkis-Boyes. J. Laryngol. Otol. 1958; V. 72(n. 7)
- Lamariey-Müller H. Ann. Mai. Oreil-Laryng. 1957; V. 73: 4
- Larsen-Borge. Acta oto-laryng. 1953; V. 43(f. 2–3)
- Lindsay J. R. Ann. Otol. Laryng. 1955; 64-IX
- Ludlow A. Med. Observ. Inquires 1767; V. 3
- Lundskog. Surg. Gynec. Obst. 1955; V. 101
- Moersch H. J., Judd E. Surg. Gynec. Obst. 1934; V. 58
- Negus V. Brit. J. Surg. 1921, n. 36
- Nicholson. Guys Hosp. Rep. 1932, n. 72
- Oppikoper E. Verh. Schw. Ärzte Kongr 1917
- Podvinec S. J. Laryng. Otol. 1952; V. 66
- Riberi A., Batersby J. S., Vellios F. Cancer. Jul. Aug, 1955
- Schallow Th. A., Clerf L. H. Surg. Gynec. Obst. 1948; V. 68
- Smithers H. Thorax 1956, n. 11
- Warren K. W. A. J. Surg. 1957, n. 93
- Wolfsohn M. Proc. R. Soc. of Med. 1950; V. 43
- Zenker F. A. Ziemsens Hdb. spec. Pathol 1887; V. 7