References
- West W. Measurement of the acoustical impedance of human ears. Post Office Electrical Engineers Journal 1928; 21: 293.
- Waetzmann E. Absorptionsmessungen am Trommelfell mit der Schusterschen Bracke. Akust Zeitschr 1938; 3: 1.
- Schuster K. Eine Methode zum Vergleich akustischer Impedanzen. Physikal Zeitschr 1934; 35: 408.
- Thorsen V. EM neues Verfahren zur Messung akustis-cher Impedanzen. Kgl. Danske Vidensk. Selsks Mat-fys Medd 1943; 20 nr. 9 og 10.
- Metz 0. The acoustic impedance measured on normal and pathological ears. Orientating studies on the appli-cability of impedance measurement in otological diag-nosis. Copenhagen, 1946.
- Metz 0. Threshold of reflex contractions of muscles in the middle ear and recruitment of loudness. Arch Oto-laryngol 1952; 55: 536.
- Jepsen 0. Intratympanic muscle reflexes in psychogenic deafness. Acta Otolaryngol 1953; Suppl 109: 61.
- Jepsen 0. Studies on the acoustic stapedius reflex in man. Measurements of the acoustic impedance of the tympanic membrane in normal individuals and in pa-tients with peripheral facial paralysis. Arhus, 1955.
- von Békésy G. Uber den Einfluss der durch den Kopf und den Gehörgang bewirkten Schallfeldverzerrungen auf die Hörschwelle. Ann d Physik 1932; 14: 51.
- Thomsen KA. Investigations on the tubal function and measurement of the middle-ear pressure in pressure chamber. Acta Otolaryngol 1958; Suppl 140: 269.
- Terkildsen K, Scott Nielsen S. An electroacoustic impedance measuring bridge for clinical use. Arch Oto-laryngol 1960; 72: 339.
- Terkildsen K, Thomsen KA. The influence of pressure variations on the impedance of the human ear drum. A method for objective determination of the middle-ear pressure. J Laryngol Otol 1959; 73: 409.
- Thomsen KA, Terkildsen K, Arnfred I. Middle-ear pressure variations during anaesthesia. Arch Otolaryn-gol 1965; 82: 609.
- Terkildsen K, Osterhammel P, Bretlau P. Acoustic middle ear muscle reflexes in patients with otosclerosis. Arch Otolaryngol 1973; 98: 152.
- Fiellau-Nikolajsen M. Tympanometry and secretory otitis media. Observations on diagnosis, epidemiology, treatment, and prevention in prospective cohort studies of three-year-old children. Arhus, 1983.
- Lildholdt T. Secretory otitis media. The significance of negative middle ear pressure and the results of a con-trolled study of ventilation tubes. Odense, 1983.
- Lous J. Secretory otitis media in schoolchildren. Dan Med Bulletin 1995; 42: 71.
- Djupesland G. Contractions of the tympanic muscles in man. Oslo, 1967.
- Teig E. Experimental studies on the middle ear muscles. Oslo, 1972.
- Moller AR. Studies of the functional characteristics of the middle ear and the acoustic middle ear reflex. Stockholm, 1955.
- Wersall R. The tympanic muscles and their reflexes. Stockholm, 1958.
- Klockhoff I. Middle ear muscle reflexes in man. Stock-holm, 1961.
- Anderson H. Acoustic intra-aural reflexes in clinical diagnosis. Stockholm, 1969.
- Borg E. Acoustic middle ear reflexes. Stockholm, 1972.
- Zakrisson J-E. Experimental studies on the function of the stapedius muscle in man. Umea, 1974.
- Holmquist J. Middle ear ventilation. Goteborg, 1969.
- Jerger J. Clinical experience with impedance audiome-try. Arch Otolaryngol 1970; 92: 311.