J. Y Cho, H. S Han, Y. S Yoon, K. S Ahn, Y. H Kim and K. H. Lee
Archives of Surgery 145 ( 2 ): 128 - 133 , 2010
J. Y Cho, H. S Han, Y. S Yoon and K. S. Ahn
Archives of Surgery 145 ( 4 ): 329 - 333 , 2010