[Motorcycle accidents in which the crash helmet was lost during the accident].
D000063:Accidents, Traffic; D000328:Adult; D006259:Craniocerebral Trauma / Q000517:prevention & control; D004868:Equipment Failure; D005260:Female; D006260:Head Protective Devices / Q000592:standards*; D006801:Humans; D008297:Male; D011482:Protective Devices / Q000592:standards*
Motorcykelulykker hvor styrthjelm tabes ved uheldet.