title: The inferior vena cava filter: how could a medical device be so well accepted without any evidence of efficacy?
authors.affiliation: Medical Oncology Branch, National CancerInstitute, National Institutesof Health, Bethesda, MD 20892, USA. vinayak.prasad@nih.gov
authors.forename: Vinay
authors.initials: V
authors.lastname: Prasad
authors.forename: Jason
authors.initials: J
authors.lastname: Rho
authors.forename: Adam
authors.initials: A
authors.lastname: Cifu
mesh_terms: D018795:Device Approval; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D014481:United States; D016306:Vena Cava Filters / Q000009:adverse effects; D054556:Venous Thromboembolism / Q000517:prevention & control