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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Ultrasound Med Biol. 2017 Dec 1;44(2):321–331. doi: 10.1016/j.ultrasmedbio.2017.10.010

Figure 2.

Figure 2

Schematic of skin locations tested on human subjects. Square box indicates the tested positions. Probe orientation is aligned with the arm longitudinal axis. Left and right forearms and upper arms were labelled as L4, L5, R4, and R5.