RT Journal Article SR Electronic T1 Spontaneous mediastinal haematoma JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr2016217799 DO 10.1136/bcr-2016-217799 VO 2016 A1 Yasuyuki Chida A1 Ryota Inokuchi A1 Tokiya Ishida A1 Kazuaki Shinohara YR 2016 UL http://casereports.bmj.com/content/2016/bcr-2016-217799.abstract AB