Figure 4From: Use of the novel contact heat evoked potential stimulator (CHEPS) for the assessment of small fibre neuropathy: correlations with skin flare responses and intra-epidermal nerve fibre countsIntra-epidermal fibres for both the nerve marker – (PGP 9.5; a, b) and capsaicin receptor (TRPV1; c, d) are reduced in patient's skin. Scale bar = 50 μm.Back to article page