Research Article

[Retracted] Continuous Lumbar Plexus Block under the Guidance of the “Shamrock Method” Ultrasound: Analgesic Effects and Hemodynamic Effects after Total Knee Arthroplasty in Elderly Patients

Figure 5

Comparison of blood rheology immediately after operation and at 12 h and 48 h after operation between the two groups. Note. Compared with the group L, .
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