J Xie, M. H Li, H. Q Tan, Y. Q Zhu, Y. D Li, C. H Fan, D. J Hu and R. H. Qiao
American Journal of Neuroradiology 30 ( 5 ): 1041 - 1045 , 2009
J. H Kim, H. Y Song, Y. D Li, J. H Shin, J. H Park, C. S Yu and J. C. Kim
American Journal of Roentgenology 193 ( 1 ): 248 - 254 , 2009