prov:value
| - Materials which may be employed in the formation of the radiopaque marker include, but are not limited to, the noble metals including ruthenium (Ru), rhodium (Rd), palladium (Pd), osmium (Os), iridium (Ir), platinum (Pt), silver (Ag), and gold (Au), tantalum (Ta), rhenium (Re), and so forth, molybdenum, iodine and its salts or compounds, barium and its salts or compounds, bismuth and its salts or
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