RT Journal Article SR Electronic T1 A review of 117 cases of unprovoked pulmonary embolism and further investigation in patients over 40 JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP s64 OP s64 DO 10.7861/clinmed.20-2-s64 VO 20 IS Suppl 2 A1 Chloe Angwin A1 Alana Rochester A1 Muhammad Jawad YR 2020 UL http://www.rcpjournals.org/content/20/Suppl_2/s64.abstract