Dorsch, M.Woodward, A.Somers, R.2009-01-142009-01-141987Accident Analysis and Prevention, 1987; 19(3):183-1900001-4575http://hdl.handle.net/2440/48733A previous version of this paper was presented at the 28th Annual Conference of the American Association for Automotive Medicine in October 1984.en© 1987 Pergamon Journals Ltd.Do bicycle safety helmets reduce severity of head injury in real crashes?Journal article00300013532009011409253910.1016/0001-4575(87)90002-965359