4Rubin C, Bolander M, Ryaby JP , et al. The use of low-intensity ultrasound to accelerate the healing of fractures. J Bone Joint Surg Am,2001,83-A :259-270.
5Bonnarens F, Einhorn TA. Production of a standard closed fracture in laboratory animal bone. J Orthop Res, 1984,2:97-101.
6Kristiansen TK, Ryaby JP, McCabe J , et al. Accelerated healing of distal radial fractures with the use of specific, low-intensity ultrasound.A multicenter, prospective, randomized, double-blind, placebo-controlled study. J Bone Joint Surg Am, 1997,79:961-973.
7Parvizi J, Parpura J, Greenleaf JF , et al. Calcium signaling is required for ultrasound stimulated aggrecan synthesis. J Orthop Res,2002,20: 51-57.
8Naruse K, Miyauchi A, Itoman M , et al. Distinct anabolic response of osteoblast to low-intensity pulsed ultrasound. J Bone Miner Res,2003,18: 360-369.
9Leung KS, Cheung WH, Zhang C , et al. Low intensity pulsed ultrasound stimulates osteogenic ativity of human periosteal cells. Clin Orthop, 2004,418: 253-259.
10Namkung-Matthai H, Appleyard R, Jansen J , et al. Osteoporosis influences the early period of fracture healing in a rat osteoporotic model.Bone, 2001,28: 80-86.