title: Immortal time bias and the use of IVC filters.
authors.forename: Timothy M
authors.initials: TM
authors.lastname: Fernandes
authors.forename: Richard H
authors.initials: RH
authors.lastname: White
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use*; D005260:Female; D006470:Hemorrhage / Q000453:epidemiology*; D006801:Humans; D008297:Male; D012042:Registries; D018570:Risk Assessment / Q000379:methods*; D015912:Thrombolytic Therapy / Q000379:methods*; D016306:Vena Cava Filters; D054556:Venous Thromboembolism / Q000517:prevention & control*
chemical_list: D000925:Anticoagulants