Irvine, D.; Davies, D. M. (June 1999). "British Airways flightdeck mortality study, 1950-1992". Aviation, Space, and Environmental Medicine. 70 (6): 548–555. ISSN0095-6562. PMID10373044.
MacIntyre, N. R.; Mitchell, R. E.; Oberman, A.; Harlan, W. R.; Graybiel, A.; Johnson, E. (September 1978). "Longevity in military pilots: 37-year followup of the Navy's "1000 aviators"". Aviation, Space, and Environmental Medicine. 49 (9): 1120–1122. ISSN0095-6562. PMID697677.
Irvine, D.; Davies, D. M. (June 1999). "British Airways flightdeck mortality study, 1950-1992". Aviation, Space, and Environmental Medicine. 70 (6): 548–555. ISSN0095-6562. PMID10373044.
MacIntyre, N. R.; Mitchell, R. E.; Oberman, A.; Harlan, W. R.; Graybiel, A.; Johnson, E. (September 1978). "Longevity in military pilots: 37-year followup of the Navy's "1000 aviators"". Aviation, Space, and Environmental Medicine. 49 (9): 1120–1122. ISSN0095-6562. PMID697677.