RT Journal Article SR Electronic T1 Blood in a chest drain JF Breathe JO Breathe FD European Respiratory Society SP 489 OP 494 DO 10.1183/20734735.007913 VO 9 IS 6 A1 Avinash Aujayeb A1 Aileen Taylor A1 Simon Doe A1 Sylvia Worthy YR 2013 UL http://breathe.ersjournals.com/content/9/6/489.abstract AB