A novel classification method for mild adolescent idiopathic scoliosis using 3D ultrasound imaging oleh D. Yang, T.T.Y. Lee, K.K.L. Lai, Y.S. Wong, L.N. Wong, J.L. Yang, T.P. Lam, R.M. Castelein, J.C.Y. Cheng, Y.P. Zheng