title: Leather football helmets.
authors: Adam
authors: A
authors: Bartsch
authors: Edward
authors: E
authors: Benzel
authors: Vincent
authors: V
authors: Miele
authors: Vikas
authors: V
authors: Prakash
mesh_terms: D005538:Football / Q000293:injuries*; D016489:Head Injuries, Closed / Q000517:prevention & control*; D006260:Head Protective Devices / Q000592:standards*; D006801:Humans; D008422:Materials Testing / Q000592:standards*; D008954:Models, Biological; D019876:Sports Equipment / Q000592:standards*