RT Journal Article SR Electronic T1 Pulmonary embolism JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 357 OP 358 DO 10.7861/clinmedicine.19-4-357a VO 19 IS 4 A1 Andrew Thompson YR 2019 UL http://www.rcpjournals.org/content/19/4/357.2.abstract