| http://www.w3.org/ns/prov#value | - Therefore, it is advantageous to determine the vascular status and the functional and morphological capacity of the vascular bed by less or non-invasive methods, including methods not requiring application of iodine containing contrast dye. [0007] Fluoroscopic techniques are an unsuitable substitute or alternative for the invasive methods because the metal stent itself causes blockage of the x-ray
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