Tonetti J, Carrat L, Blendea S, et al: Iliosacral screw placement with ultrasound-based navigation versus conventional fluoroscopy. Techniques in Orthopaedics 18(2): 184-190, 2003
Wang JQ, Zhao CP, Wang MY, et al: Computerassisted auto-frame navigation system for distal locking of tibial intramedullary nails: a preliminary report on clinical application. Chin J Traumatol 9(3): 138-145, 2006