Bernhoft, I. M., A. Steentoft, S. S. Johansen, and N. A. Klitgaard. “Medicin, Narkotika Og færdselsuheld”. Proceedings from the Annual Transport Conference at Aalborg University, vol. 12, no. 1, Dec. 2005, doi:10.5278/ojs.td.v12i1.5154.