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. 2005 Aug 25;568(Pt 3):1047–1056. doi: 10.1113/jphysiol.2005.095372

Figure 2. Representative tracing of the skin blood flow response to the first and second substance P infusions.

Figure 2

Tracing is from a 20 μm control site from one subject. Note the lack of an increase in cutaneous vascular conductance response (CVC) in response to a second 20 μm substance P infusion. Grey box indicates substance P infusion period.