Comparison of results and age-related changes in establishing reference intervals for CEA, AFP, CA125, and CA199 using four indirect methods by Juping Chen, Lina Fan, Zheng Yang, Dagan Yang

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Proton Magnetic Resonance Spectroscopy for the Early Diagnosis of Parkinson Disease in the Substantia Nigra and Globus Pallidus: A Meta-Analysis With Trial Sequential Analysis by Wenbin Gu, Chen He, Juping Chen, Junchen Li

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High expression level of homocitrulline is correlated with seborrheic keratosis and skin aging by Juping Chen, Jun Liu, Zheng Wang, Jiandan Xu, Jia Tao, Hualing Li

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How sleep quality affects activities of daily living in Parkinson’s disease: the mediating role of disease severity and the moderating role of cognition by Yajun Luo, Junyi Liu, Dongqin Chen, Manhua Liu, Yuan Yuan, Jingzhe Hu, Jiayu Wu, Fen Wang, Fen Wang, Chunfeng Liu, Chunfeng Liu, Juping Chen, Chengjie Mao

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Zishen pingchan granules combined with pramipexole in the improvement of depressive symptoms in Parkinson's disease: a prospective, multicenter, randomized, double-blind, controlle... by Houxu Ning, Hao Zhou, Jingru Ren, Gaiyan Zhou, Ning Yang, Zhenfu Wang, Canxing Yuan, Zuojun Tian, Juping Chen, Lihua Shen, Huifen Zheng, Yang Zhao, Haidong Wang, Weiguo Liu, Zhenguo Liu

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Selegiline improves excessive daytime sleepiness in Parkinson's disease: an open-label observational study by Jinru Zhang, Juping Chen, Jia Li, Jian Li, Hong Miao, Xiangyang Zhu, Meng Meng, Yang Han, Jing Chen, Xiaoyu Cheng, Kangping Xiong, Hong Jin, Weifeng Luo, Chengjie Mao, Chunfeng Liu, Xiuyuan Hao, Rongman Jia

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