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. 2023 Jul 11;10:1138051. doi: 10.3389/fmed.2023.1138051

Figure 11.

Figure 11

A side view of the sensor of the BPro system (1 – a transducer; 2 – the diaphragm; 3 – a plunger; 4 – a layer of gel). Diagram modified from reference (79).