1. Prevention and correction of voice disorders in singers;Bradley;NATS Bull.,1980
2. Understanding Voice Problems: A Physiological Perspective for Diagnosis and Treatment;Colton,1996
3. The professional voice: part 3. Common diagnosis and treatments;Sataloff;J Voice,1987
4. Changes in phonation threshold pressure with induced conditions of hydration;Verdolini;J Voice,1990
5. A hypothesis for pulmonary clearance and its implications;Kilburn;Am Rev Respir Dis,1968