Fig. 2. (A) Photograph of the clinical PA and US imaging system. (B) PA images of blood vessel network in the human forearm. FB: fiber bundle, PA: photoacoustic, TR: transducer, US: ultrasound. The images are reproduced with permission from Ref. 26.

Int J Thyroidol 2022;15:23-7 https://doi.org/10.11106/ijt.2022.15.1.23

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