Dorsch, M.Woodward, A.Somers, R.2009-01-152009-01-151984Proceedings of the 28th Annual Conference of the American Association for Automotive Medicine, 19840001-4575http://hdl.handle.net/2440/48769A 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?Conference paper00300013452009011512570010.1016/0001-4575(87)90002-965351