|1||Not yet recruiting||
Effects of Hearing Rehabilitative Interventions and Huperzine A on Presbycusis(Δ,kHz, dB,MMSE, AD)
Evaluating Hearing Aid Service Delivery Models
Assessment of Age-related Hearing Loss in HIV-1 Patients
Effects of Cognitive Training on Speech Perception
|5||Not yet recruiting||
Hearing Aid Education and Adaptation System
† Study has passed its completion date and status has not been verified in more than two years.