%0 Journal Article
%T Congestion charging and the walking classes
%J British medical journal: BMJ
%D 2003
%A Roberts, Ian
%V 326
%N 7385
%P 345-346
%X <p>[Abstract unavailable]</p><p>Language: en</p>
%G en
%I BMJ Publishing Group
%@ 0959-8138
%U http://dx.doi.org/