TY - JOUR AU - Yang, K H; Parvizi, J; Wang, S J TI - Exposure to low-intensity ultrasound increases aggrecan gene expression in a rat femur fracture model JO - J Orthop Res VL - 14 PY - 1996 DO - 10.1002/jor.1100140518 SP - 802 EP - 809 N1 - et al. ER -