1Nolte PA, Klein - Nulend J, Albers GH, et al. Low - intensity ultrasound stimulates endochondral ossification in vitro. J orthop Res,2001 Mar, 19(2):301 ~ 307.
2Azuma Y, Ito, M, Harada Y, et al. Low- intensity pulsed ultrasound accelerates rat femoral fracture healing by acting on the varios celluler reactions in the fracture callus. J Bone Miner Res,2001 Apr, 16(4):671 ~ 680.
3Glazer PA, Heilmann MR, Lotz JC, et al. Use of ultrasound in spinal arthrodesis. A rabbit model. Spine, 1998,23:1 142 ~ 1 148.
4Shimazaki A, Inul K, Azuma Y, et al. LOw - intensity pulsed ultrasound accelerates bone maturation in distraciton osteogenesis in rabbits. J Bone Joint Surg Br,2000,82:1 077 ~ 1 082.
5Tanzer M, Kantor S, Bobyn TD. Enhancement of bone growth into porous intramedullary implants using non- invasive low intensity ultrasound. J orthop Res,2001 Mar, 19(2):195 ~ 199.
6Takikawa S, Matsui N, Kokubu T, et al. LOw - intensity pulsed ultrasound initiates bone healing in rat nonunion fracture model. J ultrasound Med,2001Mar,20(3): 197 ~ 205.
7Fritton SP, Mc Leod KL, Rubin CT. Quantifying the strain history bone: spatial uniformity and self - similarity of low - magnitude strains. J Biomeeh,2000,33:317 ~ 325.
8Gross TS, Edwards JL, McLeod KJ, et al. Strain gradinets correlate with siites of periosteal bone formaion.J Bone Miner Res, 1997, 12:982~ 988.
9Kokubu T, Matsul N, Fujioka H, et al. Low intensity pulsed ultrasound exposure increases prostaglandin E2 production via the induction of cyclooxygenase -2 mRNA in mouse osteoblasts. Biochem Biophys Res Commun, 1999,256:284 ~ 287.
10Ito M, Azuma Y, Ohta T, et al. Effects of ultrasound and 1,25dihydroxyvitamin D3 on growth factor secretion in co - cultures of osteoblasts and endothelial cells. Ultrasound Med Bio1,2000 Jan,26( 1 ): 161 ~ 166.