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. 2021 Sep 28;21(19):6465. doi: 10.3390/s21196465

Figure 7.

Figure 7

(a) Low-power pathology image, ①: regions between fatty and IDC; ②, ③, ④: regions between IDC and fibro. (b) THz time-domain image. (c) THz frequency-domain photo at 1.5 THz. (d) THz frequency-domain shot at 2.0 THz [71].