Bishop Patrick J, Norman Robert W, Pierrynowski Michael, Kozey John
Phys Sportsmed. 1979 Feb;7(2):96-106. doi: 10.1080/00913847.1979.11948439.
Thicker liners, fewer openings, and more protection over the temporal area in newer models of ice hockey helmets have made them more effective in reducing the potential for serious head injury.