%0 Journal Article
%T The protective effects of helmets in skiers and snowboarders
%J British medical journal: BMJ
%D 2011
%A Ruedl, Gerhard
%A Kopp, Martin
%A Burtscher, Martin
%V 342
%N online
%P d857-d857
%X <p>[Abstract unavailable]</p> <p>Language: en</p>
%G en
%I BMJ Publishing Group
%@ 0959-8138
%U http://dx.doi.org/10.1136/bmj.d857