title: Greenfield filter placement.
authors.forename: M P
authors.initials: MP
authors.lastname: Byrne
mesh_terms: D006801:Humans; D013927:Thrombosis / Q000601:surgery*; D014656:Vascular Surgical Procedures / Q000295:instrumentation* / Q000379:methods; D014684:Venae Cavae / Q000601:surgery*