RT Journal Article SR Electronic T1 Effect of acute hypoxia on QTc interval in respiratory patients undergoing fitness to fly tests JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 726 OP 727 DO 10.1136/thx.2010.151712 VO 66 IS 8 A1 Skipworth, J R A A1 Puthucheary, Z A1 Raptis, D A A1 Rawal, J A1 Shrikrishna, D A1 Windsor, J A1 Cramer, D A1 Polkey, M I A1 Montgomery, H E A1 Hopkinson, N S YR 2011 UL http://thorax.bmj.com/content/66/8/726.abstract AB