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Xiao Cheng, Mengna Song, Jingxia Kong, Xinglin Fang, Yuqing Ji, Meibian Zhang and Hongmei Wang
To examine the effects of prolonged visual display terminal (VDT) working hours and exercise frequency on VDT-related symptoms, we recruited 944 Chinese internet staff for the study. A self-administered questionnaire survey was used to obtain the hours o...
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