title: Polyurethane radiopaque marker for indwelling devices.
mesh_terms: D002408:Catheters, Indwelling; D003287:Contrast Media; D006801:Humans; D011140:Polyurethanes; D013635:Tantalum
chemical_list: D003287:Contrast Media; D011140:Polyurethanes; D013635:Tantalum