© DR P. MARAZZI / Science Source

June 14, 2019

© DR P. MARAZZI / Science Source

© DR P. MARAZZI / Science Source

ENTtoday - https://www.enttoday.org/article/diagnosis-and-management-of-congenital-hearing-loss/ent_0619_pg16a/

© DR P. MARAZZI / Science Source

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