Hemiarthroplasty or total hip arthroplasty for the treatment of a displaced intracapsular fracture in active elderly patients: 12-year follow-up of randomised trial - Tol, M C; van den Bekerom, M P; Sierevelt, I N; Hilverdink, E F; Raaymakers, E L; Goslings, J C (Bone Joint J, 2017)