References
- Hall A., Rytzner C. Acta oto-laryng. 1957; 47: 318
- Hall A. Arch. Ohr.-, Nas.-u. KehlkHeilk. 1959; 175: 497
- Hermann A., Mündnick K. Arch. Ohr.-, Nas.-u. KehlkHeilk. 1957; 173: 388
- House William F. Laryngoscope 1959; 69: 693
- Portmann M., Claverie G., 1956 and 1957 (cit Laryngoscope 1960, 70, 168)
- Portmann M. 1960; 70: 166, ibid.
- Schuknecht Harold F., Stanley Oleksiuk. Arch. Oto-laryng. 1959; 71: 287
- Shea John J. Ann. Otol., etc. 1958; 67: 932
- Shea John J. Arch. Otolaryng. 1959; 71: 257
- Zangemeister H. E. Arch. Ohr.-, Nas.-u. KehlkHeilk. 1957; 173: 358