title: The pulmonary embolism severity index: underused despite its clinical merits.
authors.affiliation: University of Oxford, Oxford, UK.
authors.forename: Mohammed U
authors.initials: MU
authors.lastname: Halim
authors.affiliation: University of Oxford, Oxford, UK.
authors.forename: Mahiben
authors.initials: M
authors.lastname: Maruthappu
authors.affiliation: University of Oxford, Oxford, UK.
authors.forename: Annabel
authors.initials: A
authors.lastname: Christian
authors.affiliation: University of Oxford, Oxford, UK.
authors.forename: Matthew F
authors.initials: MF
authors.lastname: Giles
authors.affiliation: University of Oxford, Oxford, UK.
authors.forename: Ari
authors.initials: A
authors.lastname: Manuel
authors.affiliation: University of Oxford, Oxford, UK.
authors.forename: Najib M
authors.initials: NM
authors.lastname: Rahman
mesh_terms: D006801:Humans; D011379:Prognosis; D011655:Pulmonary Embolism / Q000145:classification / Q000401:mortality*; D012189:Retrospective Studies; D018570:Risk Assessment / Q000379:methods; D012720:Severity of Illness Index