1. Medical guidelines for airline travel, 2nd ed.;Aerospace Medical Association;Aviat Space Environ Med,2003
2. Air travel and children's health issues;Community Paediatrics Committee;Paediatr Child Health,2007
3. British Thoracic Society Standards of Care Committee, Managing passengers with respiratory disease planning and air travel. www.brit-thoracic.org.uk/c2/uploads/FlightRevision04.pdf.
4. The effects of flight and altitude;Samuels;Arch Dis Child,2004
5. Effect of aircraft-cabin altitude on passenger discomfort;Muhm;N Engl J Med,2007