RT Journal Article SR Electronic T1 A 50-year-old woman with syncope JF Breathe JO breathe FD European Respiratory Society SP 69 OP 73 DO 10.1183/20734735.024311 VO 9 IS 1 A1 Hira Shahzad A1 Ali Bin Sarwar Zubairi YR 2012 UL http://breathe.ersjournals.com/content/9/1/69.abstract AB