Somers, R.2009-01-202009-01-201983American Journal of Public Health, 1983; 73(10):1216-0090-00361541-0048http://hdl.handle.net/2440/48862Letters to the editorenCopyright status unknownOn the cost of repealing motorcycle helmet lawsJournal article00300013312009012009272810.2105/AJPH.73.10.1216-a65337