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. 2016 Oct 11;6:35117. doi: 10.1038/srep35117

Figure 4.

Figure 4

Typical example of Raman chemigram map (1156 cm−1 band reference) of a mixed zone of thyroid tissue (blue-healthy; red-yellow-green–PTC): ((a)–dark field optical image, (b)–Raman map, (c)–average reference Raman spectrum corresponding to healthy tissue, (d)–average reference Raman spectrum corresponding to PTC tissue). The red square on the right side (a) corresponds to the investigated tissue area shown on the left (b). The scale bars are expressed in μm.