5[4]Chasav V Pavlovic.Speech spectrum consideration in hearing aid evaluations.[J].J of Speech and Hearing Disorder,1989,54:3.
6[6]Francis Kuk,etc.Linear Frequency Transposition:Extending the Audibility ofHigh-Frequency Information.The hearing review,2006,10.
7[7]Francis Kuk,etc.Critical Factors in Ensuring Efficacy of Frequency Transposition Part 2:Facilitating Initial Adjustment,The hearing review,2007,4.
8Strube M. Statistical analysis and interpretation in a study of prelingually deaf children implanted before five years of age. Ear Hearing 2003; 24(suppl): 15 -23.
9Wald RL, Knutson JF . Deaf cultural identity of adolescents with and without cochlear implants. Aartals Otology Rhinology Laryngology 2000; 185(suppl):87 -.9.
10Humes LE. Issues in evaluating the effectiveness of Hearing aids in the elderly ;What to measure and when. Sendnars in Heating 2002: 22:302 - 14.