Authors: Joseph J Knapik; Stephen W Marshall; Robyn B Lee; Salima S Darakjy; Sarah B Jones; Timothy A Mitchener; Georgia G delaCruz; Bruce H Jones Journal: Sports Med Date: 2007 Impact factor: 11.136
Authors: Elizabeth A Huffman; Ellen E Yard; Sarah K Fields; Christy L Collins; R Dawn Comstock Journal: J Athl Train Date: 2008 Oct-Dec Impact factor: 2.860
Authors: Richard T Glass; Robert S Conrad; Charles Rieger Wood; Aric J Warren; Gerwald A Kohler; James W Bullard; Gifty Benson; Judyth M Gulden Journal: Sports Health Date: 2009-09 Impact factor: 3.843