References
- Hartmann A. Experimentelle Studien über die Function der Eustachischen Röhre. Veit & Co, Leipzig 1879
- Jonson B., Rundcrantz H. Posture and pressure within the internal jugular vein. Acta Oto-laryng. (Stockh.). 1969; 68: 271
- Lucae A. Zur Funktion der Tuba Eustachii. Arch. Ohrenheilk. 1867; 3: 174
- Perlman H. B. The Eustachian tube. Abnormal patency and normal physiological state. Arch. Oto-laryng. (Chic.) 1939; 30: 212
- Rundcrantz H. Posture and Eustachian tube function. Acta Otolaryng. (Stockh.). 1969; 68: 279