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APA Citation
Wang, X., Hou, M., Chen, S., Yu, J., Qi, D., Zhang, Y., Chen, B., Xiong, F., Fu, S., Li, Z., Yang, F., Chang, A., Liu, A., & Xie, X. (2020). effects of tai chi on postural control during dual-task stair negotiation in knee osteoarthritis: a randomised controlled trial protocol. BMJ open, 10(1), . http://access.bl.uk/ark:/81055/vdc_100135142190.0x000007