Efficacy of acupuncture in ameliorating anxiety in Parkinson's disease: a systematic review and meta-analysis with trial sequential analysis - Wu, Zhennan; Liu, Chang; Chan, Vickie; Wu, Xiaofeng; Huang, Fan; Guo, Zining; Liu, Wenhao; Lu, Liming; Xu, Nenggui (Frontiers in Aging Neuroscience, 2024)