Article Title,Year,Volume,Issue,Page Range,Author Inspecting Playgrounds for Hazards,1991,26,8,32-37,Gold Playground safety: The long trail,1995,30,4,60-67,Wallach Head and spinal cord trauma involving youth recreational activities: Research update,1996,31,9,22-30,McAleese Making the most of Safe Routes to School: a federal program provides children in local communities with improved ways to get to school,2007,42,9,98,Johnson