title: Radiographic features of pulmonary embolism: Westermark and Palla signs.
authors.affiliation: Department of Radiology, Southampton University Hospitals NHS Foundation Trust, Southampton, UK.
authors.forename: Ausami
authors.initials: A
authors.lastname: Abbas
authors.affiliation: Department of Respiratory Medicine, The Royal Surrey County Hospital NHS Foundation Trust, Guildford, UK.
authors.forename: Emma V
authors.initials: EV
authors.lastname: St Joseph
authors.affiliation: Southampton University School of Medicine, Southampton, UK.
authors.forename: Osama M A
authors.initials: OM
authors.lastname: Mansour
authors.affiliation: Department of Radiology, Southampton University Hospitals NHS Foundation Trust, Southampton, UK.
authors.forename: Charles R
authors.initials: CR
authors.lastname: Peebles
mesh_terms: D000368:Aged; D000792:Angiography; D002637:Chest Pain; D005260:Female; D006801:Humans; D011237:Predictive Value of Tests; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging* / Q000473:pathology; D013902:Radiography, Thoracic; D012131:Respiratory Insufficiency; D012680:Sensitivity and Specificity