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APA Citation
Li, Y., Wulamu, W., Yushan, N., Guo, X., Gu, W., Cao, L., & Zhang, X. (2023). effects of Adding Morphine to Periarticular Infiltration Analgesia Combined with Single Dose Epidural Morphine in Total Knee Arthroplasty: A Randomized Controlled Study. Orthopaedic surgery, 15(4), 1021–1027. http://access.bl.uk/ark:/81055/vdc_100184353385.0x000014