Correction
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A Hughes, H Shillingford, L Hainsworth, R Haigh, M Wijesinghe. P237: Emergency oxygen therapy: do medical students know more than doctors? *Thorax* 2012;67(Suppl 2):A168. The author affiliation should read: Peninsula College of Medicine and Dentistry, Truro, UK, in place of Peninsula School Medicine Denstistry.