[1] World Health Organization. World Report on Hearing[R]. Geneva: WHO, 2024.
[2] Grand View Research. Hearing Aids Market Size, Share & Trends Analysis Report By Product (Behind-the-Ear, In-the-Ear, Receiver-in-the-Ear), By Technology (Digital, Analog), By Region, And Segment Forecasts, 2024 - 2030[R]. San Francisco: Grand View Research, 2024.