Development and use of helmets as a means of protection against craniocerebral injury.
D001921:Brain; D001930:Brain Injuries; D006259:Craniocerebral Trauma; D006257:Head; D006260:Head Protective Devices; D006666:History of Medicine; D006801:Humans; D012886:Skull
BRAIN/wounds and injuries; CRANIUM; HEAD/wounds and injuries; HISTORY, MEDICAL