AUTHOR=Xu Yingying , Wang Erlei , Zhang Qilin , Liu Jing , Luo Weifeng TITLE=Vitamin D and focal brain atrophy in PD with non-dementia: a VBM study JOURNAL=Frontiers in Human Neuroscience VOLUME=18 YEAR=2024 URL=https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2024.1474148 DOI=10.3389/fnhum.2024.1474148 ISSN=1662-5161