title: [Crawford and Barros helmets: critical study and suggestions for their improvement (II)].
mesh_terms: D005592:Fracture Fixation / Q000295:instrumentation*; D006801:Humans; D012887:Skull Fractures / Q000628:therapy*; D013165:Splints
vernacular_title: Capacetes de Crawford e de Barros: estudo crítico e sugestões para seu aperfeicoamento (II).