Park, Dae Won; Sohn, Jang Wook; Kim, Eung-Ha; Cho, Dong-Il; Lee, Jung-Hee; Kim, Ki-Tack; Ha, Kee-Yong; Jeon, Chang-Hoon; Shim, Dae-Moo; Lee, Jin-Soo, et al.
ArticleIssue Date2007CitationSPINE, v.32, no.4, pp E130 - E135PublisherLIPPINCOTT WILLIAMS & WILKINS