1
von Truxal, Brian (Autor),
Erschienen in The physician and sportsmedicine, 9 (1981), 9, S. 68-74, Lit.
“... one concussion in 31 games. This lower incidence may be due to more effective football helmets. More...”Erschienen in The physician and sportsmedicine, 9 (1981), 9, S. 68-74, Lit.
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