Yoon, Sang Hoon; Kim, Wook ha; Chung, Sang-Bong; Jin, Yong Jun; Park, Kun Woo; Lee, Joon Woo; Chung, Sang-Ki; Kim, Ki-jeong; Yeom, Jin S.; Jahng, Tae-Ahn; Chung, Chun Kee; Kang, Heung Sik; Kim, Hyun-Jib
EUROPEAN SPINE JOURNAL Vol.20 No.2, pp. 216-223