title: New interventional devices and the need for restraint.
authors.affiliation: Department of Radiology, University of California, San Francisco 94143-0628.
authors.forename: E J
authors.initials: EJ
authors.lastname: Ring
mesh_terms: D006801:Humans; D011871:Radiology / Q000639:trends*; D012106:Research; D013679:Technology, Radiologic / Q000295:instrumentation* / Q000639:trends; D014481:United States