%0 Journal Article
%T Medical certificates exempting motorcyclists from wearing helmets: an Australian experience
%J Journal of traffic medicine
%D 1992
%A Simpson, D. A.
%A Brazenor, G. A.
%A Dan, N. G.
%A McLean, A. J.
%V 20
%N 4
%P 171-176
%X <p>[Abstract unavailable]</p>
%G en
%I International Association for Accident and Traffic Medicine
%@ 0345-5564
%U http://dx.doi.org/