| http://www.w3.org/ns/prov#value | - FIGS. 9 through 11 are schematic views which sequentially illustrate the collapse of a first flexible, resilient element for use with the embodiment shown in FIG. 8 wherein: FIG. 9 is a perspective view of the resilient element just before pressure such as blood pressure is applied to its outer surfaces; FIG. 10 is a perspective view of the resilient element of FIG. 9 just after pressure is applie
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