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. 2015 Mar 14;3(2):45–54. doi: 10.1016/j.pacs.2015.02.002

Fig. 5.

Fig. 5

(a) PA signal, (b) SNR, and (b) CNR plot (N = 10) comparison of PA imaging of wires at increasing depth driven by interstitial (red) or external (blue) irradiation.