%0 Journal Article
%T Suggested safety modifications for football helmet
%J Maryland state medical journal
%D 1962
%A Henderson, C. M.
%A Poffenbarger, A. L.
%V 11
%N 
%P 497-499
%X unavailable.]  Keywords: American football<p />
%G en
%I Medical and Chirurgical Faculty of the State of Maryland
%@ 0025-4363
%U http://dx.doi.org/