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. Author manuscript; available in PMC: 2016 Aug 15.
Published in final edited form as: Opt Lett. 2016 Feb 15;41(4):725–728. doi: 10.1364/OL.41.000725

Figure 4.

Figure 4

Photoacoustic elastography of a mouse leg in vivo. (a–b) PA images of a mouse leg in vivo before and after compression. (c) A strain image of the mouse leg obtained by photoacoustic elastography in vivo. (d) A strain image of the mouse leg obtained by ultrasound elastography in vivo. (e) The strain image of the mouse leg obtained by photoacoustic elastography superimposed on the structural PA image. (d) The strain image of the mouse leg obtained by ultrasound elastography on the structural ultrasound image.