1. Safety alerts: checking placement of nasogastric feeding tubes in adults (interpretation of x-ray images): summary of a safety report from the National Patient Safety Agency;Lamont;Br Med J,2011
2. Department of Health. Department of health public policy and guidance. The “never events” list for 2011/12. Available at: www.dh.gov.uk. [accessed February 2011].
3. National Patient Safety Agency. Never events annual report 2009/10 to the National Reporting and Learning System (NRLS). Available at: www.nrls.npsa.nhs.uk/EasySiteWeb/getresource.axd?AssetID. [accessed November 2011].
4. National Patient Safety Agency. Nasogastric tube audit of junior doctors. 2010. Available at: http://www.nrls.npsa.nhs.uk/resources/search-by-audience/junior-doctor/junior-doctor-audit. [accessed January 2012].
5. Thoracic complications of nasogastric tube: review of safe practice;Pillai;Interact Cardiovasc Thorac Surg,2005