BioMed Research International / 2015 / Article / Fig 1

Research Article

Over-the-Counter Hearing Aids: A Lost Decade for Change

Figure 1

Over-the-counter hearing aids used in the present study. Top row: A: LingYin HA 611B; B: Hopewell HAP-40; C: Axwa EX-12D. Middle row: D: JNC-MHA-BTE130; E: UP-6411; F: ShengDe V-163; G: Axwa OM-188. Bottom row: H: Powertone HAP-F883; I: JNC-MHA-ITE 110; J: Axon K-80.

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