1. International Civil Aviation Organization (ICAO) Manual of Civil Aviation Medicine,2012
2. Federal Aviation Authority 2021 Guide for Aeromedical Examiners. https://www.faa.gov/about/office_org/headquarters_offices/avs/offices/aam/ame/guide/media/guide.pdf Accessed 18 May 21.
3. Federal Aviation Authority Decision Considerations – Disease Protocols: Coronary Heart Disease https://www.faa.gov/about/office_org/headquarters_offices/avs/offices/aam/ame/guide/dec_cons/disease_prot/coronary/ Accessed 19 May 21.
4. In-flight medical incapacitation and impairment of U.S. airline pilots: 1993 to 1998;DeJohn,2004
5. Analysis of medical conditions affecting pilots involved in aircraft accidents and incidents: 1 Jan 1975- 31 March 2006: Australian Government;Newman,2006