Fig. 3From: Automated PGP9.5 immunofluorescence staining: a valuable tool in the assessment of small fiber neuropathy?PGP9.5 Immunofluorescence in skin biopsy of a healthy volunteer. PGP9.5 immunofluorescence using the gold standard (GS-EFNS: a1) method and laboratory developed test (LDT: b1) was performed as described. a2 and b2 show the single channel image of PGP9.5 immunofluorescence (red). Red PGP9.5, Blue Hoechst. (Scale bar 50 µm)Back to article page