References
- Berger K. W., Hagberg E. N., Rane R. L. Prescription of hearing aids: Rationale, procedure, and results. Herald Publishing House, Kent, Ohio, USA 1977
- Brooks D. Gain requirements of hearing aid users. Scand Audiol 1973; 2: 199
- Byrne D., Tonnisson W. Selecting the gain of hearing aids for persons with sensorineural hearing impairments. Scand Audiol 1976; 5: 51