%0 Journal Article
%T Why do child cyclists in the United States remain unhelmeted?
%J Pediatrics
%D 1999
%A Rivara, Frederick P.
%A Bergman, A. B.
%V 104
%N 1 Pt 1
%P 107-109
%X Abstract unavailable.
%G 
%I American Academy of Pediatrics
%@ 0031-4005
%U http://dx.doi.org/