4[4]Wang SJ ,Lewallen DG.Bolander ME et al. J Orthop Res, 1994;12:40~47
5[5]Tranzer M,Harvey E,Kay A,Morton P et al. J Orthop Res,1996;16(6):901~906
6[6]Ito M,Azuma Y,Harada Y et al. Trans Orthop Res Soc,1998;23:732
7[7]Jinguishi S,Auma Y,Ito M et al. Effect of noninvasive pulsed low-intensity ultrasound on rat femoral fracture. Third World Congress of Biomechanics, Sapporo, Japan, 1998; 1756
8[8]Duarte LR, Xavier CA, Choffie M. Review of nonunions treated by pulsed low intensity ultrasound. International Society of Orthopaedic Surgery and Traumatology 20th World Congress, 1996;111 :PDS30
9[9]Mayr E,Frankel V,Ruter A. Arch Orthop Trauma Surg,2000;120(1-2):1~8
10[10]Sato W, Matsushity T, Nakamura K. J Ultrasound Med, 1999;18(10):699~702