Study of pilots who have made multiple ejections.
D000060:Accidents, Aviation; D000337:Aerospace Medicine; D004630:Emergencies; D050723:Fractures, Bone / Q000150:complications; D006801:Humans; D008297:Male; D009026:Mortality; D011584:Psychology; D013124:Spinal Injuries / Q000150:complications; D014947:Wounds and Injuries / Q000453:epidemiology*