Friedman James, Donegan Derek J, Kelly John D
Hospital of the University of Pennsylvania, Philadelphia, PA, USA.
Perelman School of Medicine at the University of Pennsylvania, 34th and Spruce St., Philadelphia, PA, 19104, USA.
Clin Orthop Relat Res. 2017 Sep;475(9):2168-2171. doi: 10.1007/s11999-017-5446-y. Epub 2017 Jul 17.