title: Günther Tulip retrievable filter: why, when and how?
authors: University of Western Ontario, London Health Sciences Centre, 375 South St., London, ON N6A 3G5. sfmillward@home.com
authors: S F
authors: SF
authors: Millward
mesh_terms: D006801:Humans; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging / Q000517:prevention & control; D015641:Radiography, Interventional; D016306:Vena Cava Filters; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging