RT Journal Article SR Electronic T1 Self-induced pneumatically powered nail removed from the mediastinum without opening the chest JF Trauma Surgery & Acute Care Open JO Trauma Surg Acute Care Open FD BMJ Publishing Group Ltd SP e000797 DO 10.1136/tsaco-2021-000797 VO 6 IS 1 A1 Raisa Bushra A1 Mohamed Osman A1 Muhammad Rafiq A1 Luigia D'Errico A1 Kiran Salaunkey A1 Choo Ng YR 2021 UL http://tsaco.bmj.com/content/6/1/e000797.abstract AB