3Whelan DB, Bhandari M, McKee MD, et al. Interobserver and intraobserver variation in the assessment of the healing of tibial fractures after intramedullary fixation[J]. J Bone Joint Surg Br,2002, 84:15-18.
4Szechinski JW,Grigorian MA,Grainger AJ,et al. Femoral neck and intertrochanteric fractures:radiographic indicators of fracture healing[J]. Orthopedics, 2002,25:1365-1368.
5Cattermole HC,Fordham JN,Muckle DS,et al. Dual-energy X-ray absorptiometry as a measure of healing in fractures treated by intramedullary nailing[J]. J Orthop Trauma, 1996,10:563-568.
6Smith MA,Jones EA,Strachan RK,et al. Prediction of fracture healing in the tibia by quantitative radionuclide imaging[J]. J Bone Joint Surg Br, 1987,69 : 441-447.
7Wallace AL,Strachan RK,Blane A,et al. Quantitative .early phase scintigraphy in the prediction of healing of tibial fractures[J]. Skeletal Radiol, 1992,21 : 241-245.
8Bossy E,Talmant M,Peyrin F,et al. An in vitro study of the ultrasonic axial transmission technique at the radius: 1-MHz velocity measurements are sensitive to both mineralization and intracortical porosity[J]. J Bone Miner Res,2004,19(9):1548-1556.
9Lefebvre F,Deblock Y,Campistron P,et ah Development of a new ultrasonic technique for bone and biomaterials in vitro characterization[J]. J Biomed Mater Res,2002,63(4):441-446.
10Malizes KN,Papachristos AA,Protopappas VC,et al. Transosseous application of low-intensity ultrasound for the enhancement and monitoring of fracture healing process in a sheep osteotomy model[J]. Bone,2006,38: 530-539.