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APA Citation
Chen, K., Zhao, K., Wang, W., Xiao, W., Xiao, J., Yang, Y., Liu, Y., & Xie, X. (2020). a protocol of randomized controlled trial for Modified Xiaoyao Powder in the treatment of chronic obstructive pulmonary disease combined mild to moderate depression. Medicine, 99(47), . http://access.bl.uk/ark:/81055/vdc_100117730646.0x000063