title: Use of pulmonary embolism rule-out criteria (PERC) in the emergency department.
authors.affiliation: Emergency Department, Morriston Hospital, Swansea, UK.
authors.forename: Richard
authors.initials: R
authors.lastname: Siau
authors.affiliation: Emergency Department, Morriston Hospital, Swansea, UK.
authors.forename: Steven
authors.initials: S
authors.lastname: Young
authors.affiliation: Emergency Department, Morriston Hospital, Swansea, UK.
authors.forename: Melissa
authors.initials: M
authors.lastname: Blyth
authors.affiliation: Emergency Department, Morriston Hospital, Swansea, UK.
authors.forename: Kirsty
authors.initials: K
authors.lastname: Dickson-Jardine