REFERENCES
- Hertega°rd S. Voice problems in a small Swedish town: a retrospective study of the prevalence and follow-up. J Voice 1988; 1: 336– 40.
- Schale´n L, Andersson K. Differential diagnosis and treatment of psychogenic voice disorder. Clin Otolaryn- gol 1992; 17: 225– 30.
- Schale´n L, Christensen P, Eliasson I. Inefficacy of penicillin V in acute laryngitis in adults. Ann Otol Rhinol Laryngol 1985; 94: 14– 7.
- Schale´n L, Christensen P, Kamme C, Mio¨ rner H, Pettersson K-I, Schale´n C. High isolation rate of Bran- hamella catarrhalis from the nasopharynx in adults. Scand J Infect Dis 1980; 12: 227– 80.
- Schale´n L, Eliasson I, Kamme C, Schale´n C. Ery- thromycin in acute laryngitis in adults. Ann Otol Rhinol Laryngol 1993; 102: 209– 14.
- Scott-Brown. Diseases of the ear, nose and throat. Vol.4. The throat. London: Botterworth & Co., 1971.
- Statens Offentliga Utredningar. Omfattning av allergi/ o¨ verka¨nsligghet (78), 1989 (in Swedish).
- Souhrada J. Vocal cord dysfunction presenting as asthma. N Engl J Med 1983; 308: 566– 1570.
- Skinner DW, Bradley PW. Psychogenic stridor. J Laryn- gol Otol 1989; 103: 383– 5.
- Dejonckere PH, Eekhaut JVd, Sneppe R. Lack of pneumonic coordination as a factor of functional dys-