| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0013]FIG. 1 is a side view of a preferred embodiment of the present invention in sztu including a removable stent having a collapsible proximal end, an inner lumen and a collapsing element; [0014]FIGS. 2A and 2B are enlarged views of the area of a removable stent having a hing
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