1. Proprietary fitting algorithms compared with one another and with generic formulas.;Keidser;Hear J,2003
2. : The preferred response slopes and two-channel compression ratios in twenty listening conditions by hearing-impaired and normal-hearing listeners and their relationship to the acoustic input.;Keidser;IJA,2005
3. : Preferred overall loudness II. Listening through hearing aids in field and laboratory tests.;Smeds;IJA,2006
4. MarkeTrak IV: Ten-year customer satisfaction trends in the US hearing instrument market.;Kochkin;Hear Rev,2002
5. MarkeTrak IV: Isolating the impact of the volume control on customer satisfaction.;Kochkin;Hear Rev,2003