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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2022 Feb 21;69(3):1123–1132. doi: 10.1109/TBME.2021.3114638

Fig. 5.

Fig. 5.

Recorded view from the microscope (a) showing the surgical scene, (b) at the moment of puncture (vein is mildly dilated), and (c) after the puncture (blood is observed)