AUTHOR=Liu Yi , Xu Yan , Tong SuYan TITLE=Serum glial cell line-derived neurotrophic factor: a potential biomarker for white matter alteration in Parkinson’s disease with mild cognitive impairment JOURNAL=Frontiers in Neuroscience VOLUME=18 YEAR=2024 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2024.1370787 DOI=10.3389/fnins.2024.1370787 ISSN=1662-453X