RT Journal Article SR Electronic T1 Acute dyspnoea in a 52-year-old man JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 541 OP 541 DO 10.1136/emj.2010.092106 VO 28 IS 6 A1 S S A Y Biere A1 E J T Belt A1 M A Paul YR 2011 UL http://emj.bmj.com/content/28/6/541.abstract AB