References
- Miller R D, Hyatt R E. Obstructing lesions of the larynx and trachea: Clinical and physiologic characteristics. Mayo Clin Proc 1969; 44: 145–61
- Miller R D, Hyatt R E. Evaluation of obstructing lesions of the trachea and larynx by flow-volume loops. Am Rev Resp Dis 1973; 108: 475–81
- Engström H, Grimby G, Söderholm B. Dynamic spirometry in patients with tracheal stenosis. Acta Med Scand 1964; 176: 329–34
- Shim C, Corro P, Park S S, Williams M H, Jr. Pulmonary function studies in patients with upper airway obstructions. Am Rev Resp Dis 1972; 106: 233–8
- Ejnell H, Bake B, Månsson I. Spirometric indices in the assessment of laryngeal obstructions. Eur J Resp Dis 1984; 65: 600–10
- Ejnell H. Assessment and treatment of vocal cord paralysis. Thesis. University of Göteborg, Sweden 1984
- Blide R W, Kerr H D, Spicer W S, Jr. Measurement of upper and lower airway resistance and conductance in man. J Appl Physiol 1964; 19: 1059–69
- Hyatt R E, Wilcox R E. Extrathoracic airway resistance in man. J Appl Physiol 1961; 16: 326–30
- Schiratzki H. Upper airway resistance in normal man during mouth breathing. Acta Otolaryngol (Stockh) 1964; 58: 535–54
- Spann R W, Hyatt R E. Factors affecting upper airway resistance in conscious man. J Appl Physiol 1971; 31: 708–12
- Baxter B S, Sorensen J A. Factors affecting the measurements of size and CT number in computed tomography. Invest Radiol 1981; 16: 337–41
- Koehler P R, Anderson R E, Baxter B S. The effect of computed tomography viewer controls on anatomical measurements. Radiology 1979; 130: 189–94
- Magnusson A. Object size determination at computed tomography. Upsala J Med Sci 1987; 92: 277–86
- Ferris B G, Jr., Mead J, Opie L. Partitioning of respiratory flow resistance in man. J Appl Physiol 1964; 19: 653–8
- Hoorn B, Ingelstedt S. A method for objective analysis of stenosis of the larynx. Acta Otolaryngol (Stockh) 1960; Suppl 158: 10
- Hendee W R. The physical principles of computed tomography. Little, Brown & Co, Boston 1983; 95
- Jaeger M J, Matthys H. The pattern of flow in upper human airways. Respir Physiol 1968; 6: 113–27