Resolution: standard / high
Figure 4.
Mean value and standard deviation of injection and tourniquet pain with the Visual Analogue Scale (0–10). Pain ranging from 0 = no pain, 10 = unbearable pain.
Nabhan et al. Journal of Brachial Plexus and Peripheral Nerve Injury 2008 3:11 doi:10.1186/1749-7221-3-11
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