Figure 1From: Revision of a nonunited subtrochanteric femoral fracture around a failed intramedullary nail with the use of RIA products, BMP-7 and hydroxyapatite: a case report Anteroposterior radiograph of the pelvis demonstrating a right subtrochanteric femoral fracture classified as 31-A3.3 under the AO Foundation (AO)/Orthopaedic Trauma Association (OTA) fracture classification system.Back to article page