%0 Journal Article
%T Drugs and driving: a need for precision and symmetry in the formulation of offense definitions
%J Proceedings International Council on Alcohol, Drugs and Traffic Safety Conference
%D 1987
%A Hammer, T.j.
%V 1987
%N 
%P 591-599
%X No abstract provided.<p />
%G 
%I International Council on Alcohol, Drugs and Traffic Safety
%@ 
%U http://dx.doi.org/