REFERENCES
- Aaltonen T. Vertaileva tutkimus pohjoissuomalaisten ja etela¨suomalaisten opettajien toiminnallisiin a¨a¨niha¨irio¨ ihin viittaavista oireista. Lisensiaatintyo¨. Comparative research on functional voice disorders’ symptoms in teachers in northern and southern Finland.) Licentiate Thesis. Oulu, Finland: University of Oulu, Department of Logopedics and Phonetics, 1989 [In Finnish].
- Berg van den JW. Direct and indirect determination of the mean subglottic pressure. Folia Phoniatr 1956; 8: 1–24.
- Bickley C, Stevens K. Effects of a vocal-tract constriction on the glottal source: experimental and modelling studies. J Phon 1986; 14: 373–82.
- Bickley CA, Stevens KN. Effects of a vocal tract constriction on the glottal source: data from voiced consonants. In: Baer T, Sasaki C, Harris K (eds.). Laryngeal Function in Phonation and Respiration. Boston: College-Hill Press, 1987.
- Bistrizki Y, Frank Y. Efficacy of voice and speech training of prospective elementary-school teachers. DASH—Isr J Speech Hear 1981; 10: 16–32.
- Child DR, Johnson TS. Preventable and nonpreventable causes of voice disorders. Semin Speech Lang 1990; 12: 1–13.
- Cooper M. Modern Techniques of Vocal Rehabilitation. Springfield, IL: Charles C. Thomas, 1973.
- Elliott N, Sundberg J, Gramming P. Physiological aspects of a vocal exercise. Speech Transm Lab Q Prog Status Rep 1992; 2–3: 79–87.
- Habermann G. Funktionelle Stimmsto¨ rungen und ihre Behandlung. Arch Otorhinolaryngol 1980; 227: 171–345.
- Heidelbach J-G. U. ber die Epidemiologie von Stimm-, Sprechund Sprachsto¨ rungen-Ergebnisse aus einer einheitlichen Dokumentation von phoniatrischen Befunden in der ta¨glichen Praxis. Hals-Nasen-Ohren-Praxis 1986; 11: 301–4.
- Herrington-Hall B, Lee L, Stemple J, Niemi K, McHone MM. Description of laryngeal pathologies by age, sex and occupation in a treatment-seeking sample. J Speech Hear Res 1988; 53: 57–64.
- Hertega°rd S, Gauffin J, Lindestad P-A°. A comparison of subglottal and intra-oral pressure measurements during phonation. J Voice 1995; 9: 149–55.
- Higgins MB, Netsell R, Schulte L. Aerodynamic and electroglottographic measures of normal voice production: intrasubject variability within and across sessions. J Speech Hear Res 1994; 37: 38–45.
- Hirano M. Clinical examination of voice. In: Arnold GE, Winckel F, Wyke BD (eds.). Disorders of Human Communication 5. Wien: Springer, 1981.
- Holmberg EB, Hillman RE, Perkell JS, Gress C. Relationships between intra-speaker variation in aerodynamic measures of voice production and variation in SPL across repeated recordings. J Speech Hear Res 1994; 37: 484–95.
- Isshiki N. Regulatory mechanism of vocal intensity variation. J Speech Hear Res 1964; 7: 17–29.
- Laukkanen A-M. On Speaking Voice Exercises. Doctoral Dissertation. Tampere, Finland: University of Tampere, 1995.
- Laukkanen A-M, Lindholm P, Vilkman E. On the effects of various vocal training methods on glottal resistance and efficiency. Folia Phoniatr Logop 1995; 47: 324–30.
- Lo¨ fqvist A, Carlborg B, Kitzing P. Initial validation of an indirect measure of subglottal pressure during vowels. J Acoust Soc Am 1982; 72: 633–5.
- Marge M. Introduction to the prevention and epidemiology of voice disorders. Semin Speech Lang 1991; 12: 49–73.
- Miller DG, Schutte HK. Effects of downstream occlusions on pressures near the glottis in singing. In: Gauffin J, Hammarberg B (eds.). Vocal Fold Physiology. Acoustic, Perceptual and Physiological Aspects of Voice Mechanisms. San Diego, CA: Singular Publishing Group, 1991.
- Negus VE. The Comparative Anatomy and Physiology of the Larynx. New York: Hafner, 1949.
- Pekkarinen E, Viljanen V. Acoustic conditions for speech communication in classrooms. Scand Audiol 1991; 20: 257–63.
- Sapir S, Keidar A, Mathers-Schmidt B. Vocal attrition in teachers: survey findings. Eur J Disord Commun 1993; 28: 177–85.
- Schutte HK. Efficiency of Voice Production. Groningen: Kemper, 1980.
- Schutte HK. Efficiency of professional singing voices in terms of energy ratio. Folia Phoniatr 1984; 36: 267–72.
- Smith A, McFarland DH, Weber CM. Interactions between speech and finger movements: an exploration of the dynamic pattern perspective. J Speech Hear Res 1986; 29: 471–80.
- Sundberg J. The Science of the Singing Voice. DeKalb, IL: Northern Illinois University Press, 1987.
- Sundberg J, Scherer R, Titze I. Phonatory control in male singing. A study of the effects of subglottal pressure, fundamental frequency and mode of phonation on the voice source. Speech Transm Lab Q Prog Status Rep 1990; 4: 59–79.
- Titze IR. Phonation threshold pressure: a missing link in glottal aerodynamics. J Acoust Soc Am 1992; 91: 2926–35.
- Titze IR. Principles of Voice Production. Englewood Cliffs, NJ: Prentice-Hall, 1994.
- Viljanen V, Pekkarinen E. Oppilaitoksien A. a¨niolosuhteet Acoustics in Institutions of Learning). Turku: Turun aluetyo¨ terveyslaitos, 1989 [In Finnish].
- Vilkman EA. Vox humana: tyo¨ ja a¨a¨ni Voice and work). Vox 1990; 12: 69–78 [In Finnish, summary in English].
- Vilkman E, Lauri E-R, Alku P, Sala E, Sihvo M. Loading changes in time-based parameters of glottal flow waveforms in different ergonomic conditions. Folia Phoniatr Logop. 1997; 49: 247–63.
- Wind J. Phylogeny of the human vocal tract. In: Harnad SD, Steklis J, Lancaster J (eds.). Origins and Evolution of Language and Speech. New York: The New York Academy of Sciences, 1976.