%0 Journal Article %T Multilevel Direct Repair Surgery for Three-Level Lumbar Spondylolysis %A Tetsu Arai %A Koichi Sairyo %A Isao Shibuya %A Ko Kato %J Case Reports in Orthopedics %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/472968 %U http://dx.doi.org/10.1155/2013/472968