title: Radiopacification of intravascular clot by intravenous injection of tantalum particles.
mesh_terms: D006801:Humans; D007275:Injections, Intravenous; D008863:Microspheres; D011859:Radiography; D013635:Tantalum / Q000008:administration & dosage*; D013927:Thrombosis / Q000000981:diagnostic imaging*
chemical_list: D013635:Tantalum