R. F LaPrade, F. B Oro, C. G Ziegler, C. A Wijdicks and M. P. Walsh
The American Journal of Sports Medicine 38 ( 1 ): 160 - 170 , 2010
C. J Anderson, B. D Westerhaus, S. D Pietrini, C. G Ziegler, C. A Wijdicks, S Johansen, L Engebretsen and R. F. LaPrade
The American Journal of Sports Medicine 38 ( 8 ): 1575 - 1583 , 2010