British Journal of AnaesthesiaVolume 108, Issue 2, February 2012, Pages 322-324CorrespondenceReply from the authorsAuthor links open overlay panelM.F.M. James, W.L. Michell, I.A. Joubert, A.J. Nicol, P.H. Navsaria, R.S. GillespieShow moreShareCitehttps://doi.org/10.1093/bja/aer463Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 2012 The Author(s). Published by Elsevier Ltd. All rights reserved.