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. 2018 Jul 6;16(3):1944–1952. doi: 10.3892/etm.2018.6417

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Copyright: © Ma et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 2. — VAS pain scores at rest. VAS, visual analog scale; t0, VAS score prior to analgesia at basic rest; t1, VAS score 1 h after analgesia; t2, VAS score in the morning of the day of surgery; t3, VAS score in the first day after surgery; t4, VAS score in the second day after surgery. *P<0.05 vs. the control group.