The reliability of AO classification on femur fractures among orthopedic residents Dal PonteThomas Valdemir PessinDelson Evandro GambetaClaudecir Bonilauri FerreiraAna Paula BragaLarissa Ricardo Nickenig VissociJoão Braga-BaiakAndresa GandhiMihir PietrobonRicardo 2013 <p>The aim of this study was to evaluate the inter and intraobserver agreement in distal femur fractures in adults using the AO classification.</p>