TY - JOUR PY - 2001// TI - National Highway Traffic Safety Administration. evaluation of the repeal of motorcycle helmet laws JO - Annals of emergency medicine A1 - Todd, K. H. A1 - Runge, Jeffrey W. A1 - Jolly, B. T. A1 - Harris, JS A1 - Berns, S. D. A1 - Vaca, Federico E. SP - 229 EP - 230 VL - 37 IS - 2 N2 - Abstract unavailable. LA - SN - 0196-0644 UR - http://dx.doi.org/ ID - ref1 ER -