title: Diagnosing pulmonary embolism.
authors.forename: N W
authors.initials: NW
authors.lastname: Morrell
authors.forename: W A
authors.initials: WA
authors.lastname: Seed
mesh_terms: D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D008722:Methods; D011655:Pulmonary Embolism / Q000175:diagnosis* / Q000188:drug therapy; D013924:Thrombophlebitis / Q000175:diagnosis*
chemical_list: D006493:Heparin