| http://www.w3.org/ns/prov#value | - The stent also reliably prevents tumor cells from infiltrating into the interior of the stent through the meshes of the stent bodies, and prevents a material, such as food, from coming into contact with the lesion of the contracted part when the material passes through the contracted part, and repairs the arterial dilatation. [0052] Although a preferred embodiment of the present invention has been
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