Valgus bracing in symptomatic varus malalignment for testing the expectable “unloading effect” following valgus high tibial osteotomy - Minzlaff, P; Saier, T; Brucker, P U; Haller, B; Imhoff, A B; Hinterwimmer, S (Knee Surg Sports Traumatol Arthrosc, 2015)