C. M Jobin, M. A Kippe, T. R Gardner, W. N Levine and C. S. Ahmad
The American Journal of Sports Medicine 37 ( 11 ): 2214 - 2221 , 2009
S. L Edwards, J. A Lee, J. E Bell, J. D Packer, C. S Ahmad, W. N Levine, L. U Bigliani and T. A. Blaine
The American Journal of Sports Medicine 38 ( 7 ): 1456 - 1461 , 2010