Periprosthetic supracondylar femoral fractures following knee arthroplasty: a biomechanical comparison of four methods of fixation - Mäkinen, Tatu J; Dhotar, Herman S; Fichman, Simcha G; Gunton, Matthew J; Woodside, Mitchell; Safir, Oleg; Backstein, David; Willett, Thomas L; Kuzyk, Paul RT (International orthopaedics, 2015)