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. 2019 Feb 19;24(2):026003. doi: 10.1117/1.JBO.24.2.026003

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© The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Fig. 3 — Lateral cross-sectional PA images acquired at various locations along the volunteer’s right arm (Video 1). (a) Schematic of the arm. White dotted lines detail where each cross-sectional image was taken for images (b)–(f), respectively. The blue dashed line marks the wrist, where the carpal bones meet the radius and ulna bones. Lateral cross-sectional PA images of (b) the upper forearm, 10 cm above the wrist, (c) the lower forearm, 3 cm above the wrist, (d) the palm, 1 cm below the wrist, (e) the mid-palm, 3 cm below the wrist, and (f) the fingers (without the thumb), approximately in the middle of the proximal phalanx (Video 1, MPEG, 2 MB [URL: https://doi.org/10.1117/1.JBO.24.2.026003.1]).