References
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- Falbe-Hansen J. Acta otolaryng. 1941, Suppl. LIV
- Fürstenberg A., Lashmet F. H., Lathrop Frank. Annals. of Otol. 1934; 42: 1035
- Mygind S. H. 1) Nord. Med. 1944; 24: 2025
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- Mygind S. H., Dederding Dida. Acta oto-laryng. 1932; 17: 424