Plasma Glial Cell-Derived Neurotrophic Factor and Insulin-like Growth Factor‑1 Levels Were Not Correlated with the Severity of Age-Related Hearing Impairment in Humans - Pei-Shan Hsieh; Shang-Rung Hwang; Sheng-Wei Hwang; Juen-Haur Hwang (ACS Omega, 2023)